Sotheby’s next jewelry auction wants to help you enter your blue period. To be sure, the auction house’s High Jewelry Sale, taking place on Tuesday, May 13 in Geneva, will offer up a slew of gems ...

A 14.52-carat fancy light-blue diamond is the top lot at Bonhams New York Jewels auction on June 12. The heart-shaped diamond is mounted on a ring within a surround of round brilliant-cut diamonds and ...

A collector just gave whole new meaning to the phrase “feeling blue,” after snapping up the world’s largest blue diamond to ever come to auction. The De Beers Cullinan Blue, a 15.10-carat step-cut ...

Add Yahoo as a preferred source to see more of our stories on Google. A rare blue diamond was on display Tuesday at an exhibition of $100 million worth of the world’s rarest diamonds in the United ...

South Africa's Cullinan mine has yielded a rare blue diamond of 41.82 carats, with experts saying it could be worth more than $40 million.

The 25th Anniversary sale has incredible discounts on all of the brand's best diamonds, engagement rings, gold and more. If you've been considering a jewelry purchase but were waiting for a great deal ...