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The Auction 11.15ct cushion colored pink diamond Williamson Pink Star sold for HK$453 million, setting a new single-carat auction record for natural gemstones
Oct 10, 2022
On October 7, a rare cushion pink diamond, "Williamson Pink Star", weighing 11.15 ct, was held in Sotheby's Hong Kong and finally fell for HK$453.2 million (US$57.7 million), significantly higher than the estimated value of US$21 million, becoming the history of jewelry auctions The second highest-priced item; The average price per carat reached $5.17 million, setting a new public auction record for a single carat price for natural gemstones.

Pictured: "CTF Pink Star", weighing 59.60 ct, oval cut, mined from South Africa by De Beers in 1999
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