This 11.15-Carat Pink Diamond Just Shattered Estimates to Sell for a Record $57.7 Million

The Williamson Pink Star shone brighter than expected at Sotheby’s over the weekend.
The extremely rare 11.15-carat pink diamond sold for a record $57.7 million at a standalone, single-lot auction in Hong Kong on October 7. There were several people bidding on the precious stone, but it was eventually sold to an unknown buyer for more than double the pre-sale estimate of $21 million.
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