Wittelsbach-Graff Diamond

Wittelsbach-Graff Diamond
Wittelsbach Graff Diamond.JPG
Wittelsbach-Graff Diamond, on display at the National Museum of Natural History
Weight31.06 carats (6.212 g)
ColorFancy Deep Blue
CutAntique oval stellar brilliant
Country of originIndia
Mine of originKollur Mine, Guntur District
DiscoveredMid-1600s
Original ownerNawabs of Punjab
OwnerSheikh Hamad bin Khalifa Al Thani, Father Emir of Qatar
Estimated valueUS$80 million (June 2011)

The Wittelsbach-Graff Diamond is a 31.06-carat (6.212 g) deep-blue diamond with internally flawless clarity. Laurence Graff purchased the Wittelsbach Diamond in 2008 for £16.4 million. In 2010, Graff revealed he had had the diamond cut by three diamond cutters to remove flaws. The diamond was now more than 4 carats (800 mg) lighter and was renamed the Wittelsbach-Graff Diamond. There is controversy, as critics claim the recutting has so altered the diamond as to make it unrecognisable,[1] compromising its historical integrity.[2]

Wittelsbach Diamond

The original Wittelsbach Diamond, also known as Der Blaue Wittelsbacher,[3] was a 35.56-carat (7.112 g) fancy, deep, greyish-blue diamond with VS2 clarity that had been part of both the Austrian and the Bavarian Crown jewels.[4]

Its colour and clarity had been compared to the Hope Diamond. The diamond had measured 24.40 millimetres (0.961 in) in diameter and 8.29 millimetres (0.326 in) in depth. It had 82 facets arranged in an atypical pattern. The star facets on the crown were vertically split, and the pavilion had sixteen needle-like facets arranged in pairs, pointing outward from the culet facet.[5]