The 23.24-carat “Golconda Blue” fancy vivid blue diamond has been pulled from the May 14 Christie’s Geneva Magnificent Jewels sale. If it went to auction it would have been the largest fancy vivid ...

“The Mediterranean Blue,” a 10.3-carat fancy vivid blue diamond, sold for $21.5 million during Sotheby’s sale of high jewelry in Geneva on Tuesday. It was not only the top lot of the sale, but it was ...

‘GEM OF GEMS’ A Christie’s employee displays the Mellon Blue, a fancy vivid blue pearshaped diamond of 9.51 carats, during a preview at Christie’s in Geneva, Switzerland, on Nov.7, ahead of an auction ...

A rare 10-carat blue fancy diamond could fetch up to $20 million when it goes to auction in Geneva on May 13, auction house Sotheby’s said on Thursday. The cushion-shaped piece, known as the ...

Sotheby's Geneva auction will feature the stunning 10-carat "Mediterranean Blue Diamond," estimated to fetch $20 million. This rare, fancy vivid blue diamond, sourced from South Africa, is captivating ...

Africa-focused Petra Diamonds (LON: PDL) has unearthed an ultra-rare blue diamond weighing just under 42 carats at its Cullinan Mine in South Africa, a discovery that could sell for as much as $40 ...