The extremely rare, 10-carat Mediterranean Blue diamond could fetch a whopping $20 million at Sotheby's High Jewelry auction ...

According to the Gemological Institute of America’s (GIA) report on the stone, the brilliant-cut center diamond is 17.09 carats, has a rarely-seen D color rating — meaning it’s completely ...

a 2.33-carat fancy color diamond. Farfan explained that the pure red diamond is so rare that for every 25 million diamonds found, only 1 is a fancy red. The Winston Red Diamond to be displayed is ...

Selecting a diamond ring for your significant other is an exhilarating yet daunting task, particularly when there are ...

“Any vivid blue diamond is a discovery worth celebrating, but one of this size and depth of color is a rare event,” said Quig Bruning, Sotheby’s Head of Jewelry for the Americas & EMEA.

It will be unveiled to the public on April 1 as part of the “Winston Fancy Color Diamond Collection,” a group of some of the rarest and most important gems in the world, the museum said.

Holi, the vibrant festival of colors, is a celebration of love, joy, and the triumph of good over evil that transcends ...

natural red diamonds are among the rarest gemstones. The Winston Red Diamond is 2.33 carats, among the largest to have the “Fancy red” color grade from the Gemological Institute of America.

They will tell us directionally what kinds of things they're looking for - shapes, silhouettes, perhaps color ... rarest of the rare... I would expect some of these big, pure, beautiful natural ...