The most valuable diamond ever offered at auction ‒ the 59.6-carat Pink Star ‒ has far exceeded expert predictions setting a new world record in gemstone sales under Sotheby’s hammer here.

Experts had predicted a new world record of around US$60 million, but the oval-cut gem ‒ described as “one of the earth’s greatest natural treasures” ‒ fetched an amazing US$83.2 million, reports

The identity of the new owner was not revealed.
The ring-mounted Pink Star is the largest flawless pink diamond that the Gemological Institute of America (GIA) has ever graded. It was first shown to the public in 2003 and was later exhibited at the Smithsonian in Washington. At this time the Pink Star was called the “Steinmetz Pink,” but was renamed after it had been sold for an undisclosed sum in 2007.

The internally flawless vivid pink gem is more than twice the size of the 24.78-carat “Graff Pink” diamond that had set the world auction record for a diamond and any gemstone or jewel when it was sold at Sotheby’s Geneva in 2010 for US$46.2 million, the auction house said.

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Picture: The world’s most expensive diamond ‒ the ring-mounted Pink Star.