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GENEVA (AP) \u2014 A 5.5-carat triangular-cut diamond billed as the largest fancy vivid blue-green diamond known to exist sold for more than 13.5 million Swiss francs ($17.3 million) on Wednesday, Christie\u2019s said, calling it a record price for a stone of its kind sold at auction.<\/p>\n
The \u201cOcean Dream,\u201d the standout offer at the auction house’s Geneva sale of jewelry, was found in Central Africa in the 1990s. The price easily topped the presale estimate to fetch 7-10 million francs (around $9-13 million).<\/p>\n
Rahul Kadakia, president of Christie’s Asia Pacific, said that an unspecified private client was the buyer, and the stone took about 20 minutes to sell \u2014 an indication that interest was high.<\/p>\n
The price was more than double that of the roughly $8.5 million that the gem, which was featured among rare colored diamonds at the Smithsonian Splendour of Diamonds Exhibition in 2003, sold for at Christie’s in 2014.<\/p>\n
\u201cA stellar result worthy of the world\u2019s rarest blue-green diamond,\u201d Tobias Kormind, managing director of online jeweler 77 Diamonds, said in a statement.<\/p>\n
On Tuesday, a six-carat fancy vivid blue diamond at a Geneva auction at Sotheby’s didn’t sell.<\/p>\n
The auction house said that the rare stone unearthed from South Africa\u2019s famed Cullinan mine had come in with a presale estimate of 7.2 million to 9.6 million francs ($9.2 million to $12.3 million).<\/p>\n
\u201cAlthough the diamond didn\u2019t find a buyer during the auction, we are now in conversations with several interested parties and are confident that it will find a new home soon,\u201d Sotheby\u2019s said in a statement.<\/p>\n
Both houses say collectors are increasingly drawn to rare, colored diamonds, which make up only a fraction of all the diamonds mined around the world.<\/p>\n<\/div>\n