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 ...

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.

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

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

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

An exceptionally-rare blue diamond went under the hammer in Geneva late Tuesday, selling for $21.5 million, Sotheby's auction ...

Sotheby’s next jewelry auction wants to help you enter your blue period.

Sotheby’s next jewelry auction wants to help you enter your blue period.

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 ...