A poorly cut diamond will appear dull and lifeless, even if it has excellent clarity and color. The GIA grades cut quality on a scale from Excellent to Poor, with higher grades ensuring better ...
The Mediterranean Blue” is 10.3-carat fancy vivid blue diamond with VS2 clarity that is the highlight of Sotheby's Geneva ...
The extremely rare, 10-carat Mediterranean Blue diamond could fetch a whopping $20 million at Sotheby's High Jewelry auction ...
For the first time, gemologists and jewelers will have access to an innovative solution for diamond color grading.
The Winston Red Diamond is 2.33 carats, among the largest to have the “Fancy red” color grade from the Gemological Institute of America. Insiders believe fewer than one in 25 million diamonds ...
According to the Gemological Institute of America (GIA), The Mediterranean Blue exhibits the highest possible color grading for a blue diamond. Its cushion-shaped cut enhances its saturation and ...
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