Sotheby's employee models a 7.59-carat internally flawless blue diamond at their New York auction house, Wednesday, Sept. 4, 2013 in New York. Sotheby's also had on display a 118-carat white diamond ... more 
Sotheby's employee models a 7.59-carat internally flawless blue diamond at their New York auction house, Wednesday, Sept. 4, 2013 in New York. Sotheby's also had on display a 118-carat white diamond that will be auctioned in Hong Kong on Oct. 7 and has a pre-sale estimate of $28 million to $35 million. (AP Photo/Mary Altaffe) less 
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Associated Press | Photo By Mary Altaffe
Wed, Sep 4, 2013 5:04 PM EDT