Wednesday, March 20, 2019




Appraising Diamonds

Appraising Diamonds

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As with any valuable and expensive item, it is very important to know exactly know what a diamond is worth. The value of a particular jewel is incredibly important to know, especially in the case that one needed to sell it. Several important factors that affect the diamond valuation; these factors are its cut, its color, its clarity and weight in carats.

A diamond’s cut is just as it sounds: the way that it has been cut to showcase its natural qualities. Some common cuts are princess, round, marquise, oval, pearl, emerald, heart, radiant and Asscher. The best way to determine how precisely a diamond has been cut is to cast a light through it. In determining the color, it is important to remember that diamonds come in many different colors and that the colorless variety is the most valuable kind. The standard measurement system for an uncolored diamond’s color using a letter-based scale in terms of how colored or “uncolored” the stone is.

After simulating day light upon the jewel, a diamond is rated from “D” to “Z”, the scale used for relatively uncolored diamonds, with D being the least colored, closest to clear and Z being the most colored, somewhat close to a shade of yellow. For diamonds considered more colored, however, there is a different scale. Clarity is a measure of the flaws, or lack thereof, in a particular stone. It is determined by using a specified magnifying lens, known as a loupe, under normal light conditions by an experienced grader. If there are no discernable flaws at this level of magnification, a diamond is considered internally flawless.

The lowest grade, known as pique, is determined by the fact that an experienced grader can see a flaw in the diamond without use of a loupe. Carat determines the size and weight of a diamond, and the higher the carat, generally, the more valuable it is. For every carat a diamond measures, it is considered to be the equivalent of two grams (Making two carats four grams, and so on.). It is also important to consider that a large diamond with low quality is not worth nearly as much as a small, flawless diamond.

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The 5 most expensive diamonds in the world

The 5 most expensive diamonds in the world

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For centuries, there has been an enormous interest revolving around unique diamonds among royalty and wealthy people. There is much information about diamonds and its interest in acquiring.  Because of its incredible properties, the diamond is probably the most wanted of the mining products.

most expensive diamonds  The 5 most expensive diamonds in the world

There have been cases where people become instantly rich after they’ve found a big and rare diamond in their backyards. Although this is incredibly rare, it has been known to happen from time to time.

Here are the five of the world’s most coveted and valuable diamonds in the world:

The De Beers Centenary Diamond. Valued at 100 million USD, this unique precious stone actually has the highest grade of a colorless diamond. Its weight is 273.75 carats or 54.77 grams. It was produced by the famed De Beers Mine, and you may be surprised to hear that it’s only the third largest diamond that has been produced there.

The Hope Diamond. This is the diamond that inspired the movie Titanic. The Hope is now safely guarded at the Smithsonian Museum of Natural History in Washington DC.  A unique thing about this diamond is that it looks blue in color because of the high number of traces of boron in the crystal structure. Its color changes completely under an ultraviolet light. It weighs 45.52 carats, which makes it less heavy than some of the other entries of this list. However, it is valued at 350 million USD.

The Cullinan. With a weight of 106.75 carats or 621.35 grams, this is the largest rough diamond that has ever been mined. Once it was polished, it became the Cullinan and weighed 530.2 carats or 106.0 grams.

The Sancy Diamond. The Sancy Diamond is a 55.23 carat or 11.05 grams of Indian origin. It shines a pale yellow and was once owned by the Mughals of Antiquity. Its well-known history is believed to have begun in 1570 It was one of the first diamonds to be cut with symmetrical facets. This diamond is actually considered to be priceless.

The Koh-I-Noor. For many experts in the subject, the Koh-I-Noor may have no competition in the world of diamonds. It’s a 105 carat (21.6 grams) diamond with a famous history. The Koh-I-Noor is another diamond that has no price. It has been owned by many members of the Persian, Mughal and Sikh royalty. It is currently property of the British crown and it’s very popular with visitors and tourists.



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