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 ...

A pink diamond that is believed to be one of the purest in the world could sell for more than $21 million at auction next month. The "Williamson Pink Star" diamond is 11.15 carats, cushion-cut and has ...

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 ...

Sotheby’s will be auctioning off a diamond that is more than 100 carats Friday, and while the large size and clarity rating make it exceptional, it is also making news because the auction house will ...

Add Yahoo as a preferred source to see more of our stories on Google. A large pink diamond believed to have been passed down from France's Queen Marie Antoinette to her daughter is going up for ...

Add Yahoo as a preferred source to see more of our stories on Google. Sotheby's announced on Monday that a rare pear-shaped diamond that is expected to fetch up to $15 million can be bought at auction ...

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 ...

What does outer space, a 555.55 carat diamond, and cryptocurrency have in common? Well, a notorious 555.55 carat diamond that's potentially from outer space was just auctioned off for millions of ...