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06 Sept 2025

Diamond breaks auction record by selling for nearly £45 million

Diamond breaks auction record by selling for nearly £45 million

The 11.15-carat Williamson Pink Star diamond, auctioned by Sotheby’s Hong Kong, sold for 392 million Hong Kong dollars dollars.

A pink diamond has been sold for nearly £45 million in Hong Kong, setting a world record for the highest price per carat for a diamond sold at auction.

The 11.15-carat Williamson Pink Star diamond, auctioned by Sotheby’s Hong Kong, sold for 392 million Hong Kong dollars dollars (£44.9 million). It was originally estimated at £18.9 million.

The Williamson Pink Star draws its name from two legendary pink diamonds.

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