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Petra blue diamondPetra Diamonds fancy blue vivid diamond named "Star of Josephine"

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Cullinan blue diamond named

I-Net Bridge | Wed, 20 May 2009 07:02

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[miningmx.com] -- The Petra Diamonds important fancy vivid blue, internally flawless, cushion-shaped diamond weighing 7.03 carats, which sold at auction by Sotheby's last week, was acquired by Joseph Lau Luen-Hung, renowned Hong Kong collector and connoisseur.

Lau bought the diamond for HK$74 million (US$9.48 million) and he has already exercised his right to name the diamond, which is now known as 'Star of Josephine'.

The exceptional blue diamond set two auction records at Sotheby's Geneva on 12 May - the world record price per carat for any gemstone at auction and world record price for a fancy vivid blue diamond at auction.

The blue diamond ranks among the most important diamonds ever to be offered for sale by Sotheby's. It was cut from a 26.58 carat rough discovered in 2008 at Petra Diamonds' historic Cullinan diamond mine in South Africa, the world's most consistently reliable source of blue diamonds.



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