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Cut | Color | Clarity | Carat Weight | Certification | Care | About Diamond Cutting | History | Q & A

Questions:

What is a diamond Question Mark


Answer: [X]

Diamonds consist of a single element, it is pure crystallized carbon. It is the same chemical with the materials of graphite used in lead pencils and charcoal.

How did the diamond get its name Question Mark


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It has come from the Greek word 'Adamas', which means invincible/indestructible.

(adamant: (Heb. shamir), Ezek. 3:9. The Greek word adamas means diamond. This stone is not referred to, but corundum or some kind of hard steel. It is an emblem of firmness in resisting adversaries of the truth (Zech. 7:12), and of hard-heartedness against the truth (Jer. 17:1). )

What about the science of diamonds Question Mark


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Diamonds are the crystalline form of carbon, transformed by extreme heat and pressure. There is only one natural environment in which diamonds can be formed: in molten rock from 75 to 120 miles below the earth's surface. Diamond crystals then surface in volcanic eruptions. The trip is precarious: the crystals may revert to free carbon atoms, vaporize into carbon dioxide, or turn into graphite (the common "lead" pencil ingredient) along the way. The only way diamond preserves its original form is through a rapid cool-down near the earth's surface. With a few unusual exceptions, the only kind of rock that can bear diamond to an accessible depth is called kimberlite, after the town of Kimberly, South Africa. Kimberlite surges up through the earth in carrot-shaped cones known as "pipes." There are few kimberlite pipes in existence, and not many contain important quantities of diamond.

Diamonds form under large, stable, cooler plates of earth called "cratons." Dry earth diamond sites are known as "primary deposits" because they lead directly down to the stones' subterranean birthplace. But it is only since the South African diamond rush in the l870's that diamonds have been mined from dry earth -- for thousands of years diamonds were only sought in riverbed sands and gravel.

Alluvial diamond sites are called secondary deposits. Massive geological shifts, and the movement of glaciers and water can bear diamonds thousands of miles from their original underground source. Most of the world's finest diamonds were discovered in secondary deposits, in the famous riverbed mines of India.

Diamonds can also travel to marine deposits. At present, one of the richest of the world's diamond sources is found on a l00-mile stretch of beach south of Namibia. Eons ago these were South African diamonds, carried downriver in dirt and gravel debris toward the Atlantic ocean. The larger diamonds sank into the ocean floor, while others were left at the shoreline by currents and storms. It is thought that Antarctica, with its large cratons, may be a rich potential source of diamonds. However, international accords prohibit mining Antarctica.

Why is it said that a diamond is forever Question Mark


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Gem diamond never wears out or lose its beauty. There is no such thing as a used or secondhand diamond. It will last the wear and tear of centuries with undiminished beauty.

Why does a diamond hold such eminence as a jewel Question Mark


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It is the hardest substance known,it cannot be scratched by anything other than a diamond, and it has a very high refractive index. This enables it to bend rays of light and disperse colors.

Why are diamonds not considered in the same category as colored stones Question Mark


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1- The physical and optical properties are so different from other gems as to make its beauty totally original.
2 - In finer qualities, diamonds are usually colorless.
3 - Diamonds have been available in both quantity and quality to permit marketing procedures.
4 - Diamond marketing is a full-time occupation

Is the diamond really a matchless gem Question Mark


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There can never be a gem to match the diamond. It is original stone. In spite of the fierce bite of inflation, the search for more rewarding investments, the diamond has never lost its attraction.

What is beauty in a diamond Question Mark


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It is the beauty of light. Diamond has the special ability to break up beams of light that enter it, and to return them to the eyes of the beholder in a blazing fire of all the colors of the rainbow. Furthermore, the slightest movement of a diamond changes the rainbow it gives back, providing an endless variety of colors.

Are all diamonds alike Question Mark


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No. Diamonds are available in a large variety, no two are alike. They cannot be sold according to any single factor.

What about the size of diamonds? Question Mark


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Most people tend to think of diamonds as being very large. The average size of all the rough diamonds mined today runs less than one carat. In all of the diamond history, there are records of only about twenty-two rough diamonds that weighed more than 500 carats.

Is there any advantage to having small diamonds Question Mark


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Yes, small diamonds can be made into diamond jewelry designs. One can make a piece of diamond jewelry equaling a total weight of one carat for much less than the cost of a single one carat diamond.

What does melee mean Question Mark


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The word 'melee' is used to describe small, round diamonds with full or single cuts when sold or shown in lots. The term refers to diamonds up to 25 points.

What about diamond weight Question Mark


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There are 142 carats to an ounce. The carat is further divided into l00 points. Diamonds are weighed on a diamond scale which is completely enclosed, because even a breath of air can tip them and alter the weight.

How is carat weight determined Question Mark


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This is done by a hand balance or an electronic diamond scale, which weighs directly in carats.

Can a diamond be accurately weighed when mounted in a ring Question Mark


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No, it can only be estimated by certain formulae, which are accurate between 10 and 20 percent.

What happens to the diamond crystal after it is sorted Question Mark


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The diamond cutter is next to handle the gem. Grecian people( THE GREEKS? or the geeks)) discovered that only a diamond would cut a diamond. It was not until the 18th Century that an Italian named Vincent Peruzzi discovered that an arrangement of fifty-eight facets on the round diamond seemed to give it the most brilliance. Since that time we have learned a great deal about optics and the behavior of light, but the fifty-eight facet cut is still standard. The object of cutting a diamond is to shape the diamond so that as much light as possible will enter the top of the stone, bounce around within it, and then come back out the top so that it can be seen.

What happens when a beam of light enters a polished diamond Question Mark


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When a ray of light strikes any surface of the diamond at a perpendicular or 90 degrees, it passes straight through. If it strikes the surface within 24.5 degrees of the perpendicular (called the critical angle), it will also pass through, but the ray will change its direction according to the diamond's index of refraction (2.42).If the ray of light strikes the surface outside the critical angle of 24.5 degrees, it will be reflected. When the ray of light enters the diamond, it continues to travel and the same angles persist. If the ray of light hits an inside surface within the critical angle of 24.5 degrees, it will pass through; but if it hits outside that critical angle, it will bounce back within the stone.

What are ideal diamond cutting angles Question Mark


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The diameter of the girdle is the basic dimension. The table diameter is 53 percent of the girdle diameter to admit a lot of light. Bezel facets are angled at 34.5 degrees to the plane of the girdle to act as dispersion prisms. Pavilion facets are angled at 41 degrees to the girdle to allow the light to bounce around inside, and then be reflected back through the table. This is the so-called ideal American cut.

What is the purpose of cutting Question Mark


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Without cutting, the diamond would remain rough and unimpressive. With the cutting, the diamond becomes transformed into a sparkling jewel. As many flaws as possible must be eliminated, at the same time retaining as much weight as possible. At this point the cleavage plane is determined. A tiny groove is made in the stone with a diamond-pointed tool. Progressively larger diamonds are used until the groove reaches the desired size. The blade of a steel wedge is then held in the groove and is struck with a steel rod or wooden mallet. It is possible to shatter a diamond by a poorly directed blow.

How are facets cut Question Mark


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All facets are cut in the following order: first the table, then the four main crown facets and the four pavilion facets to match those on the crown. The remaining four main crown facets are next, followed by the rest of the pavilions. At this point the stone passes to a second craftsman, someone often called a brillianteer.

Who puts the facets on the stone Question Mark


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There are automatic faceting machines; these are new and they are in use. Ordinarily the facets are put on by hand. Whole families have grown up in cutting plants, and these people actually are responsible for putting the facets on by hand. They measure the angles with what we call a goniometer, and they grind it by using a phosphor-bronze rotating wheel, which turns at about 4,500 revolutions per minute, to grind the diamond into its proper shape.

Do the very small diamonds have fifty-eight facets Question Mark


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Yes, even the little teensie ones are cut to the larger stones. There are l00 points in each carat, and down to the two and three pointers, they are still made in full cuts, which we call melee.

What is the very best cut for a diamond Question Mark


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The brilliant cut has been accepted as the best fashioning for a diamond, and this is the cut that is commonly seen. It is also known as the round or full cut and has fifty-eight facets.

What is the best description of a brilliant cut Question Mark


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First we must divide the brilliant cut into two basic sections. The upper section is called the crown and the lower section is called the pavilion. The crown permits light to easily enter the diamond, the pavilion acts as a mirror to reflect light. Notice that the crown and pavilion have facets. The crown facets act as many prisms and the pavilion facets act as many mirrors.

Can an old miner cut diamond be recut into a more modern cut Question Mark


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Yes it can, but it should not be recut if it has very poor color, very bad flaws or is of very small size. Proportions must also be considered.

How much weight would be lost on the recutting Question Mark


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Weight loss is anticipated to be between 20 - 40 percent. In recutting any stone, it must be remembered that the round shape is the most popular, but the present shape may determine the most practical new shape to be cut.

Why does the brilliant cut have more sparkle than the single cut Question Mark


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The single cut has only seventeen facets. This means that the crown has less facets to act as prisms, and of course, fewer facets on the pavilion to act as mirrors.

Are there any variations in the brilliant cut Question Mark


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Yes indeed. In small diamonds or melee, they may be cut in what is known as a modified brilliant style. The simplest of these is the eight facet, single cut or 8/8, in which the octagonal table is surrounded by eight facets only and the base consists of eight pavilion facets.

What is the meaning of European cut and American cut Question Mark


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This only has to do with the style of the cut; it does not mean that a diamond was cut in Europe or America.
The most important difference is the European cut has a heavier crown than the American cut.

What is the advantage of having either cut Question Mark


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It would be a matter of opinion as far as one cut having a particular advantage over the other. They both are ideal cuts. You could assume, however, that the European cut will show its greatest beauty when light strikes the crown from directly overhead. The American cut has the versatility of showing full beauty when the light strikes the crown at side angles.

What about the marquise cut Question Mark


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The very nature of marquises may result in excessive light loss, when compared with a well cut brilliant. Thus, it is important that every marquise be cut with the idea of bringing out the maximum brilliancy and fire. The key to attractiveness in a marquise-cut diamond is to return as much light back through the crown as possible. By lengthening the culet in the long direction of the stone, or modifying the standard brilliant facet pattern on the pavilion, the brilliancy is maintained fairly effectively. The marquise is very narrow in relation to its length, and it is not possible to avoid some loss of brilliancy in the stone. This is true with all fancy shapes, when compared with the round brilliant.

What is an emerald-cut diamond Question Mark


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Most emerald-cut diamonds are cut with fifty-eight facets. They vary from almost square emerald cuts to those of one dimension being considerably greater than the other. Most diamond men agree that a five to three length to width relationship is most pleasing, but this is a matter of taste.

What is the so-called barion cut Question Mark


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This is a combination of the top of the square or emerald cut with a form of brilliant cut on the lower half.

Is it possible to cut a diamond into a star shape Question Mark


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Yes, it is not only possible, but it is done and they are for sale.

What is the function of the large, flat surface on the crown and the small, flat surface on the pavilion Question Mark


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The large surface on the crown is the table; its function is to permit the easy entrance of light. The small flat surface on the pavilion is called the culet. It is put on the pavilion as a safety measure so that the diamond has no sharp point that will shatter.

Are there different shaped facets on the crown Question Mark


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Yes, there are three types of facets -- star, bezel and upper girdle. Suppose we point out these facets. The eight facets immediately surrounding the table are called the star facets. The star facets are slightly inclined; they should slope from the table at a 15-degree or 22-degree angle. The second and most noticeable group of facets is called the bezel facets. There are eight facets and they are just below the star facets. These bezel facets must slope at a 35-degree or 40-degree angle. The last group of facets connected to the girdle is called the upper girdle facets. These facets are sixteen in number, and must slope at a 42-degree or 50-degree angle.

What are these standards or tolerances a brilliant cut should be fashioned Question Mark


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The crown and pavilion of a diamond is divided by a thin section called the girdle. The portion of the diamond above the girdle, called the crown, must be no more than one-third of the diamond's total depth.

Can the crown be less than one-third of the total depth Question Mark


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Yes, but it should not be under one-fourth of the diamond's total depth.

How about the pavilion's thickness Question Mark


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The pavilion should range from two-thirds of the diamond's total depth to one-fourth of the diamond's total depth.

Is the crown and pavilion the only parts of the brilliant cut that must meet tolerances Question Mark


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No, the crown's table and facets must be given full consideration. The table must cover no more than 60 percent of the crown surface, the table should cover no less than 50 percent of the crown surface.

What is the purpose of the culet Question Mark


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It should be as small as possible and its main function is to avoid chipping.

What is meant by fish eye Question Mark


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If the stone is cut with too greatn of a width for its depth, a shallow or fish eye-appearing stone results. In this, the back facets are at an angle too flat to produce the necessary total internal reflections of all light entering the crown of the stone.

What is table reflection Question Mark


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The table of a diamond is usually mirrored in the pavilion as the viewer looks through the table. The size and darkness of this reflection provides a guide to the angle of the pavilion facets.

What is meant by table size Question Mark


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The size of the table of a fashioned diamond is expressed as a percentage of the stone's girdle diameter. It is a dimension used in proportion analysis.

What is a swindled table Question Mark


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It is a term used to denote the saving of weight at the expense of beauty and brilliance in the cutting of diamonds. It usually refers to a greatly spread stone, that is one whose table diameter exceeds about 65 percent.

What is meant by symmetry Question Mark


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This refers to the exactness of placement and shaping of opposing facets and other portions of a diamond.

What is meant by girdling Question Mark


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This means shaping the stone at its greatest width. It is done by mounting the diamond on a lathe, which revolves at a high speed. Another diamond is mounted on a long straight stick against the rotating diamond. Each stone wears down and shapes the other. Naturally, all diamond dust and chips are caught and saved for industrial purposes.

What is bruting or grinding Question Mark


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Today this is a mechanical process in which the sawn stone is cemented into a hold which is rotated about l00 rpm's in a lathe. A second diamond is fixed at the end of a steel rod, the operator obtains leverage against a fulcrum fixed to the bench, and exerts considerable pressure between the stones. The resulting shape is a round cone with a beveled edge.

What is polishing Question Mark


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This is the final process. Facets are cut and polished in one operation. Two or more mechanical dops, which are cups, are placed around each of the cast iron laps which are charged with diamond dust and olive oil and rotated about 200 rpm's. The cutting process is slow. Final flat polish is obtained by moving to the smoother parts of the lap near the center. All polishing is carried out with the lap rotating across the grain of the stone.

Can a diamond's color be changed by cutting and polishing Question Mark


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To a reasonable degree the original rough crystal can be altered. There are times when the original crystal's color should be preserved. When this is the situation, the diamond is fashioned so that it is heavier in appearance. But if the rough crystal has an undesirable color, the diamond is made as thin as possible without fully sacrificing the proper angles for dispersion and brilliance.

How is color checked Question Mark


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Most jewelers have three to eight small diamonds that have been carefully checked for color, and these are used as comparison stones. When a diamond is checked against these, the grade of whiteness can be determined.

What is meant by fluorescence in a diamond Question Mark


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It is an emission of light excited by invisible radiation. It is delivered to be a change of energy levels by electrons, and it is often found in stones which come from the Premier Mine.

What is the most common fluorescent color in gem diamonds Question Mark


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Blue.

What is meant by a blue-white diamond Question Mark


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The term blue-white probably came originally from a white stone, color less or nearly so, that fluoresced bluish; thus the nickname blue-white came to imply a fine color grade. The Federal Trade Commission's ruling states that the term blue-white is to be used only for a stone that shows no trace of any color other than blue or bluish. Therefore, the wording would also allow the term to be used correctly for a colorless stone.

What is meant by a cape diamond Question Mark


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It is a broad range of diamond color grades which show a distinct yellow tint when face up.

What would be the most desirable colors Question Mark


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Commercially the bluish or limpid diamonds are the most desirable.

What difference does the color grade make Question Mark


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The answer is that its value upon resale is determined strictly by technical grade; and hence, if one buys with an eye toward investment, as well as beauty, its resale price depends strictly on the grade of the diamond .

What is top crystal Question Mark


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This designates the diamond color grade between Wesselton and crystal in the river to light yellow system. Diamonds in this classification face up colorless in sizes below one-half carat.

Does everybody consider fine white the same thing Question Mark


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Not so. One man's fine white is another man's cape, or perhaps a dozen to twenty different grading systems.

What difference does the color grade make Question Mark


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The answer is that its value upon resale is determined strictly by technical grade; and hence, if one buys with an eye toward investment, as well as beauty, its resale price depends strictly on the grade of the diamond.

Is there any standard of color Question Mark


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Only generally. The American Gem Society uses numerals from 1 to 10, with zero being colorless. The Gemological Institute of America uses the alphabet from D to X, with D being colorless. Europeans use terms like river, top Wesselton, Wesselton, top crystal, etc. Great Britain uses finest white, fine white, commercial white, etc.

What do the old terms 'river' and 'crystal mean Question Mark


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Before the development of electronic instruments for color measurements, descriptions were still necessary. Color stages ran roughly in the form of river, top Wesselton, Wesselton, top crystal, crystal, top cape, cape, light yellow and yellow; and these are still used today. For example, diamonds which were recovered from rivers or alluvial beds were called river. Usually these stones showed a better color than diamonds from the usual pipes. Wesselton came from the Wesselton Mine which produced diamonds, usually of a better quality than the slightly yellowish diamonds The name crystal was probably derived from crystal glass, in order to give an indication of slight yellow tint. The term cape is from the Cape of Good Hope, a coastal district and part of the Union of South Africa, as the diamonds from this area were on the average more strongly yellow than Indian and Brazilian stones, and hence became known as cape.

What is meant by the term, "Jager" Question Mark


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This term comes from a South African diamond mine called Jagersfontein. This mine had a particularly large proportion of the finest blue-white diamonds. Actually, this bluish color is due to a phenomenon called fluorescence. It has been observed that many diamonds exhibited distinct colors in day and electric light, and it is now known that the slightly bluish tint was only excited by the concentration of ultraviolet rays in daylight.

What do these terms mean to a lay person Question Mark


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The following definitions are relatively appropriate: River: Generally considered to be blue-white and indicates the colorlessness of the diamond. Top Wesselton: Exhibits a minimal touch of a yellow tint, and is also known as finest white. Wesselton: Would be considered as white. Both of them generally appear colorless. Top Crystal and Crystal: Recognize an increasing yellowishness. Top crystal is called slightly tinted white and crystal is known as tinted white. Top Cape to Yellow: There is an increasing yellow coloring which is clearly visible, even to the untrained eye.

What is meant by champagne or canary color Question Mark


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These descriptions are applied to diamonds with a very intense yellow color.

How does one color grade Question Mark


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Although there are measuring instruments available which measure the colors objectively, these instruments are still far too expensive to find their way into the hands of any diamond merchants and are employed solely by laboratories. Essentially, color grading today still rests on the subjective estimate of the human eye.

What is meant by clarity grade Question Mark


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This is the relative position of a diamond on a flawless to imperfect scale.

What is meant when they say a diamond is clean Question Mark


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This is a term used by some jewelers to mean absence of internal imperfections only, and by others to describe diamonds with slight imperfections.

What instruments are used to see inclusions or flaws Question Mark


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A microscope can be used, but most jewelers use a 1O-power loupe.

What is a loupe Question Mark


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A loupe is any small magnifying glass mounted for use in the hand, held in the eye socket or attached to spectacles. A loupe may contain a single lens or a system of lenses. The usual range is 2 to 20-power; a l0-power loupe is standard in all major diamond consuming nations.

What about the degree of imperfection in diamonds Question Mark


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Large flawless diamonds have always been scarce and are getting scarcer. A one-carat diamond of the highest quality is a one-in-a-thousand discovery and can wholesale up to $13,500 to $15,500, plus an additional 10 percent for inflation. However, between the best and the poorest, there is every degree of imperfection and every degree of price.

What is meant by internally flawless Question Mark


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This is a clarity grading term describing a diamond without internal imperfections, but which possess minor surface blemishes that exclude the stone from the flawless category.

What is meant by potentially flawless Question Mark


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This is a clarity grading term describing a diamond without internal imperfections, but which possesses minor surface blemishes that exclude the stone from the flawless category.

What is a premium price Question Mark


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This is a per carat price established for a certificated diamond, usually of top clarity and color grade when an added premium is deemed appropriate.

What is meant by inclusions Question Mark


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These are internal teatures such as cleavages, cracks, fractures, tension cracks, features, structural defects, crystal inclusions, twin planes or twin lines. Cleavages are cracks which run in the direction of planes of atoms. Fractures are cracks in any other direction not in a cleavage plane. Tension cracks usually surround a crystal inclusion and originate through the different thermal expansion of the enclosed foreign material. Crystal inclusions are minerals, which according to their nature, may be colorless, or red, brown, yellow or black. Feathers are fractures, cleavages or tension cracks which when observed at right angles to the crack plane look white and feather-like. Structural defects may be clouds or obscurities. These are microscopic crystals which appear like dust. Twin planes or twining lines occur usually as fine, curved lines which cross the pavillion facets.

How does one determine or discern inclusions Question Mark


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Recognized international standards of the world today is 10-fold magnification. A diamond is considered as flawless, if by this magnification, no inclusions are discernible. Internal features which become apparent with stronger magnification are not considered in clarity grading.

What is the importance of inclusions Question Mark


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The importance is that the inclusion may interfere with the passage of light and hence cut down on the brilliance of the diamond. Thus, a single inclusion may be more important than a collection of several smaller inclusions, and a colorless one will not appear to the eye as strikingly as a colored inclusion.

How about the position of an inclusion Question Mark


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This is very important. An inclusion in the center of the stone beneath the table is more clearly visible than beneath the facets. It also may be mirrored many times by adjoining facets.

How about the specks or spots sometimes found in a diamond Question Mark


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The little specks or tiny spots are called inclusions. For practical purposes we say that the diamond is pure carbon, but the diamond has other minerals within its body.

What is meant by a cloud Question Mark


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This represents a group of tiny, white inclusions.

What are carbon spots Question Mark


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These are any black-appearing inclusions or imperfections in a diamond.

What is meant by a chip Question Mark


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A chip can be a curved break in a diamond that extends from the surface edge. It can also be a small, rose-cut diamond, a single-cut melee; it can be a cleavage piece of diamond that weighs less than one carat; and it can be a small, irregularly shaped diamond.

What is meant by a bubble Question Mark


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A bubble is a transparent inclusion in a diamond, such as a tiny diamond crystal or a grain of different material.

How do these inclusions get into a diamond Question Mark


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There are three basic ways in which an inclusion can become part of the diamond. Supposing a very tiny mineral crystal existed long before the coming of the diamond. Eventually the diamond formed around this tiny mineral and the mineral then became an inclusion of the diamond. Also, an inclusion could have formed within the diamond's body at the same time the diamond was forming. The third and last way an inclusion can enter the diamond's body after the diamond was formed. If the diamond became a solid body which had a crack, a liquid could enter the crack and gradually become an inclusion within the diamond.

Can inclusions ever be removed Question Mark


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If the inclusions are on or close to the surface, they can be polished off by slight recutting and refinishing. If the inclusion is deep inside the stone, it may sometimes be feasible to minimize or lighten it through the use of a laser beam.

Are diamonds really a girl's best friend Question Mark


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Today's diamond circle of friends is much wider. Gold and diamonds are being bought by an ever-increasing number of people, hoping for a secure investment. Since the world supply of gem diamonds is still relatively small, diamonds may well be one of the world's secure investments.

What are the characteristics of diamond jewelry worn by American women today Question Mark


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Variety and versatility. Variety puts diamond jewelry within the means of virtually every pocketbook, for there are pieces which retail for less than $100.00 just as there are pieces which sell for several hundred thousand dollars. Versatility makes it possible for a single, well-chosen diamond to be worn in many ways and on many occasions.

How are diamonds used in jewelry of modern design Question Mark


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The magnificence of a diamond, either large or small, is set off by the splendor of gold in almost limitless varieties. Diamonds are also used to point up the beauty of gems of all other colors, not only rubies, emeralds and sapphires, but some of the less precious stones such as tourmaline and aquamarine. They can also be made so that they can be worn as a pendant, bracelet, belt or pin, so that the versatility of your jewelry piece can be made almost any way desired.

What about fashion diamond jewelry Question Mark


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The popularity of fashion diamond jewelry has grown tremendously and continues to do so. In the $200 to $300 price range, a woman is looking for something to wear with everyday outfits. Diamond jewelry for men is a field which is gaining rapidly, and men are starting to wear diamond pinky rings again. Diamonds are stable, the public will always maintain its confidence in diamonds, and they have only increased in value. As long as there is jewelry, people will want diamonds. Furthermore, there is always money for some sizes of diamond. The longevity and brilliance of a diamond makes it an excellent symbol.

Where is the Orapa Mine Question Mark


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This mine is on the eastern edge of the Kalahari in a semiarid area of mophane and thorn trees, located in Botswana, Africa. It was discovered in 1967 and is the second largest mine in the world.

What about modern pipes Question Mark


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About a hundred years ago, a new pipe began to emerge. New diamond mines were discovered in South Africa, the greatest diamond mines the world has ever known, and the great power of American wealth was beginning to be felt and fashion leadership began to move to the United States.

Where are diving operations used to work alluvial deposits Question Mark


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In Venezuela and in Brazil.

What is the average total production of diamonds from 23 tons of blue ground Question Mark


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Approximately four and one-half carats.

What is the average diamond recovery from mines Question Mark


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This varies, of course, from mine to mine, but only about 20 percent of all the diamonds mined in the entire world are of gem quality, and the average size of a rough diamond is less than a carat. When mining for diamonds, you take what you can get; one cannot just separate the gems from the industrial diamonds coming out of the mine without sorting them. To get a one carat diamond, gem quality, it is necessary to process enough ore to fill 250 one-ton trucks. In fact, all the gem diamonds found the world over in one year would fit very comfortably into just two of these one-ton trucks.

What happens to the other 80 percent of diamonds Question Mark


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The other 80 percent is certainly not wasted. They are put to many industrial uses for cutting, grinding and polishing a wide variety of metals, plastics and ceramics. In fact, industrial diamonds play an important role in the manufacturing of almost everything we use today. They are even used to cut grooves in roads and airport runways to reduce the danger of skidding.

How does one know what kind of diamonds are recovered Question Mark


Answer: [X]

It is only after the miners and the people in the treatment plant have done their work that anyone really knows what kind of diamonds are recovered. This job is done by sorters, experts who look at rough diamonds ail day, and they separate them into little piles by size and quality. and there are no guarantees for capital appreciation. When inflation is high and there is international uncertainty, the demand for gold, either as a commodity speculation or as a horde, helps to increase the price. Investing in gold is risky. Its price can fluctuate widely, and at times the price of gold can rise to a point where it offers little protection and a lot of price risk. Diamonds are totally controlled with their prices based on the world's strongest currency or gold, whichever is most valuable. Thus, diamonds offer a built-in resistance to devaluation. As currencies lose their value, diamonds automatically adjust upward.

Are diamonds a safe and stable investment Question Mark


Answer: [X]

The prospects for diamond trade are excellent in our present prosperous society. Because of the improvement of the standard of living, more and more people are becoming increasingly attracted to the gem and diamond markets. Diamonds have always held a particular fascination to people because of their fire, their beauty and their rarity. In times of monetary devaluation and fluctuation, diamonds constitute a guaranteed safe and stable investment.

What diamonds can be considered an investment Question Mark


Answer: [X]

The best value are those of finer qualities, irrespective of size or shape. Probably the best sizes, however, are between one and three carats. Loose diamonds are preferable, as settings go out of style.

What stones should be purchased for investment Question Mark


Answer: [X]

Roughly speaking, stones between one and three carats with the main purchase being centered in round, brilliant-cut stones between one to one and one-half carats. If larger purchases are to be made, the money should be spread over a number of stones, rather than one particular one, and the purchaser should plan to retain the stones for at least five years -- with three years being considered the minimum.

Is a diamond ring a good investment for a young man about to be married Question Mark


Answer: [X]

A diamond ring will be his wife's dearest possession as long as she lives. In addition, a man usually spends much more for a car, television set and many other items which will rapidly wear out or have little monetary value within two to five years, but a diamond ring will be there forever.


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