These bits of other minerals trapped inside can tell you where that diamond came from and what it was like down there. In a new study of rare blue diamonds (like the famous Hope Diamond), a team ...

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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 ...

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

A rare blue diamond set in a ring sold for $43.8 million at a Christie's auction in Geneva. Christie's said that the 17.61-carat diamond, the Bleu Royal, is among the rarest to exist. The ...

A rare blue diamond was on display Tuesday at an exhibition of $100 million worth of the world’s rarest diamonds in the United Arab Emirates’ capital, Abu Dhabi. The eight diamonds on display ...

Geneva — An exceptionally rare blue diamond went under the hammer in Geneva Tuesday, selling for almost $44 million, making it one of the most expensive diamonds ever sold at auction ...

A Sotheby’s staff holds "The Mediterranean Blue" diamond during an auction preview in Geneva 33,714 people played the daily Crossword recently. Can you solve it faster than others?33,714 people ...

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 “ ...

In a sea of jewels, one particular stone has been stealing the show. A rare 10-carat Mediterranean blue diamond from South Africa was on display in an exhibit featuring $100 million worth of the ...