Wittelsbach-Graff Diamond
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The Wittelsbach-Graff Diamond is a 31.06-carat deep-blue diamond with internally flawless clarity, originating in the Kollur Mine, India. Laurence Graff purchased the Wittelsbach Diamond in 2008 for £16.4 million. In 2010, Graff revealed he had... Wikipedia
Color: Fancy Deep Blue
Cut: Antique oval stellar brilliant
Discovered: Mid-1600s by Golconda Sultanate
Estimated value: US$80 million (June 2011)
Original owner: Nawabs of Punjab
Weight: 31.06 carats (6.212 g)