CINCINNATI (CNN Newsource/WKRC) - An extremely rare blue diamond sold at an auction in Geneva on Tuesday. It sold for nearly $44 million, making it the most expensive diamond sold at auction this year ...

Add Yahoo as a preferred source to see more of our stories on Google. The latest blue diamond to hit the auction block certainly lives up to its namesake. The 10.03-carat Mediterranean Blue gem will ...

(CNN) — 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 ...

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 ...