Next month Christie's Auction Gallery will be auctioning a spectacular ring containing a 10.95 carat, triangular shaped blue diamond, matched with a 9.87-carat, triangle cut, white diamond. set onto a gold band, channel set with baguette-cut diamonds. The ring is projected to sell for over $15 million when it is auctioned in New York Oct. 20. The 10.95 carat stone is the largest triangular cut blue diamond ever to be offered at auction by Christie's.
(AP Photo/Christie's Images LTD.2010)