Saturday, October 30, 2010

World's Most Expensive Diamond at American Museum of Natural History

One of the world's rarest diamonds, the Wittelsbach-Graff, is on display at the American Museum of Natural History. 
 
 
The 31.06-carat flawless deep blue Wittelsbach-Graff diamond is on display at the American Museum of Natural History until early next year

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