HONG KONG, Aug. 19 (UPI) --
The International Diamond Exchange said Sotheby's Hong Kong auction house expects a rare blue diamond to fetch $19 million.
IDEX said the auction for the 7.59-carat blue diamond will be held in Oct. 7.
"Since about 2006, 2007, Hong Kong has ranked alongside Geneva and New York as a center for jewelry sales," said Quek Chin Yeow, deputy chairman of Sotheby's in Asia.
"It is now the third pillar of the global jewelry market," Quek said.
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