Record price per carat fetched at auction for 'Rosenberg Williamson Pink Star'(FILE) - The second largest 'Fancy Vivid Pink Diamond' is displayed during its unveiling in Gulf emirate of Dubai, United Arab Emirates, 05 September 2022 (reissued 07 October 2022). Auctioneers Sotheby's on 07 October 2022 announced that the diamond fetched 57.7 million US dollars at an auction in Hong Kong, making it "the second most valuable jewel or gemstone ever sold at auction" and establishing "a world auction record price per carat for any diamond or gemstone.

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