Oppenheimer Blue diamond may fetch $45 mn at auction *
 

The largest "fancy vivid blue" diamond ever to be offered at auction will form part of a dazzling jewelry sale in Geneva next month where it is seen as possibly fetching around $45 million, according to Christie's. The rectangular-cut "Oppenheimer...http://feeds.feedburner.com/~r/com/YEor/~4/2dfNGJKv60o

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