If 'The Golconda Blue' went to auction it would have been the largest fancy vivid blue diamond to have been presented at a ...

Sotheby's Geneva is showcasing the "Mediterranean Blue Diamond," a 10-carat gem expected to fetch $20 million at auction.

Christie's is getting ready to present The Golconda Blue, the largest Fancy Vivid ... extraordinary color and exceptional size, The Golconda Blue is truly one of the rarest blue diamonds in ...

A remarkably rare blue fancy colour diamond has become the most expensive gemstone sold at auction this year after impressing collectors in Geneva.

Sotheby's High Jewelry Sale later this May is bringing plenty of gems to the auction block, such as the Mediterraean Blue and ...

Sotheby's in Geneva introduces the 10-carat 'Mediterranean Blue Diamond,' a rare fancy vivid blue gemstone mined in South ...

A 10-carat blue diamond which could fetch $20 million when it goes under the hammer later this month was presented by auction ...

GLOBAL – Christie’s is proud to present The Golconda Blue—the largest Fancy ... color, and exceptional size, The Golconda Blue is truly one of the rarest blue diamonds in the world.” ...

Only about 30 percent of natural diamonds are considered gem-worthy, and among those, less than 1 percent are fancy color diamonds—that is, diamonds of unusual color. While the latter come in ...

Christie’s is getting ready to present The Golconda Blue, the largest Fancy ... extraordinary color and exceptional size, The Golconda Blue is truly one of the rarest blue diamonds in the ...