Renowned Wittelsbach-Graff Diamond Unveiled main content.

Renowned Wittelsbach-Graff Diamond Unveiled at American Museum of Natural History

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The extraordinary 31.06-carat natural fancy deep blue Wittelsbach-Graff Diamond goes on display Thursday, October 28 in the Museum’s Harry Frank Guggenheim Hall of Minerals. This amazing diamond will be on display at the Museum through January 2, 2011.