A model poses with the Pink Star diamond during a press preview at Sotheby's in Hong Kong October 3, 2013. The huge and rare pink diamond, which weighs 59.60 carats, could fetch more than $60 million ... more 
A model poses with the Pink Star diamond during a press preview at Sotheby's in Hong Kong October 3, 2013. The huge and rare pink diamond, which weighs 59.60 carats, could fetch more than $60 million at auction in November as collectors chase exceptional pieces in a strong international jewellery market. REUTERS/Tyrone Siu (CHINA - Tags: SOCIETY WEALTH) less 
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Reuters | Photo By TYRONE SIU / REUTERS
Thu, Oct 3, 2013 5:05 AM EDT