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

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

Christie's has announced what is sure to be a blockbuster sale in the jewelry world: the sale of a 23.24-carat fancy Golconda blue diamond. It is the largest of its kind to ever be offered at ...

An exceptionally-rare blue diamond went under the hammer in Geneva late Tuesday, selling for $21.5 million, Sotheby's auction house said. 'The Mediterranean Blue', a fancy vivid blue diamond ...

The Golconda Blue, a rare and vivid blue diamond once owned by the maharajas of Indore and Baroda, will be auctioned at Christie's 'Magnificent Jewels' sale in Geneva on May 14. Weighing 23.24 ...

An exceptionally-rare blue diamond went under the hammer in Geneva late Tuesday, selling for $21.5 million, Sotheby's auction house said. "The Mediterranean Blue", a fancy vivid blue diamond ...

"The Mediterranean Blue", a fancy vivid blue diamond weighing 10.3 carats with an estimated value of $20 million, attracted an intense bidding battle. Bidding began at nine million Swiss francs ($ ...