A pink diamond closed at auction for $57.73 million in Hong Kong Friday night, the most expensive diamond per carat ever sold. The 11.15-carat Williamson Pink Star diamond sold at a Sotheby’s auction.

Christie’s will bring an 18.96-carat fancy vivid pink diamond to auction during its November 13 Magnificent Jewels sale in Geneva. The rectangular-cut gem—called the Pink Legacy—is the largest and ...

A pear-shaped diamond that appears to be wider than a human thumb is going up for auction — and it’s projected to be worth tens of millions of dollars. The 228.31-carat diamond, which has been ...

NEW YORK – A pink diamond the size of a postage stamp is going on the auction block, and it’s estimated to bring as much as $28 million. The 16.08-carat gem is poised to set a record for a ...

Heritage Auctions, an auction house based in Dallas, Texas, that deals mainly with auction lots and listings primarily pertaining to comics, video games, trading cards, and other items of a similarly ...

A vivid pink diamond that has been nicknamed "The Fortune Pink" is going up for sale at a Christie’s International auction and insiders believe it could fetch up to $35 million. The British auction ...

On Wednesday, a blue diamond at a Hong Kong auction house achieved one of the highest prices for any diamond on the open market. The "De Beers Blue" diamond sold for $57.5 million, Sothebys auction ...

One of the most valuable blue diamonds to ever feature at an auction could sell for more than $48 million, according to Sotheby’s. Named “The De Beers Cullinan Blue,” it is the biggest vivid blue ...

On Monday evening an exceptionally rare 102.39-carat diamond made auction history as the first gem of its quality to be sold without a reserve. With a live auction taking in online and phone bids, the ...

A number of sealed transcripts from previous court hearings earlier in the year regarding the Diamond Comic Distributors Chapter 11 bankruptcy have now been unsealed, and they make for riveting ...