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Tag Archives: Sotheby’s

The big deal about blue diamonds

The recent buzz about the 7-carat Cullinan Blue diamond to be offered at the upcoming Sotheby auction in Geneva and the record setting sale of the Wittelsbach Blue by Christies in December 2008 has generated a lot of interest in colored diamonds. These ultra-rare Type IIb diamonds are truly distinctive– besides their blue color, they […]