The stunning 59.6-carat diamond smashed the $60 million pre-sale estimate set by Sotheby's at Tuesday's auction in Hong Kong.
Pink Star Mining News
Experts predict the plum-size internally flawless pink gem could fetch over $60 million in Hong Kong next month.
After just three minutes of bidding, the final price was $22,090,000, including the buyer's premium.
Flawless pink stone was expected to fetch $60 million.