Hong Kong collector acquires 7.03-carat blue diamond
GENEVA, May 20, 2009 – Joseph Lau Luen-Hung, a Hong Kong collector, was the buyer of the 7.03-carat fancy vivid blue internally flawless cushion-shaped diamond which netted HK$74 million / US$9.48 million at Sotheby’s May 12 auction in Geneva.
Rare 7.03 carat blue diamond
Mr. Lau has already exercised his right to name the diamond, which is now known as ‘Star of Josephine’, Sotheby’s said in a statement.
The exceptional blue diamond, which was extracted by Petra Diamonds from the renowned Cullinan mine in South Africa, set two auction records at Sotheby’s sale — the world record price per carat for any gemstone at auction and the world record price for a fancy vivid blue diamond at auction.
