Doubravka Tamara. Diamonds. June 05th , 2017.
The Gemological Institute of America (GIA), the American Gem Society (AGS), and the International Gemological Institute (IGI) are the three most widely known and respected diamond grading laboratories in the world. Each of the grading laboratories have developed a very similar nomenclature for identifying the 4 C's of diamonds.
The most important tip in selling old diamonds is to never sell to the first person who wants to purchase them. Comparison shopping applies to the sale of old diamonds as it does to other products like appliances, jewelry and houses. Once you have found the bidder with the highest price, so to speak, that's the only time when selling the old diamonds is the right decision.How to Spot the Difference Between Real Color and Synthetic Colored Diamonds
✦ Soon De Beers requested a visit to the mine. However, when the delegates got there, they were tricked by the mine officials, who allowed them to be in the mine just for 20 minutes. This was done so that no important information could be obtained from the mine in such a short span of time.
Sapphires are mostly valued for the multitude of colors that they are found in. These include various shades and hues of blue, green, yellow, orange brown, white, etc. White sapphire is considered to be the purest form, and is therefore significantly higher valued.
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