Pink diamond breaks auction record in Hong Kong

The 11.15-carat Williamson Pink Star diamond, auctioned by Sotheby’s Hong Kong (Sotheby’s via AP/PA)

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.