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Pink Star diamond fetches record $83m at auction

13 November 2013 Last updated at 23:18 GMT

A diamond known as the Pink Star has sold for $83m (£52m) at auction in Geneva - a record price for a gemstone.

The diamond measures 2.69cm by 2.06cm (1.06 inches by 0.81 inches) and is set on a ring.

The auction took five minutes and the successful bidder was in the auction room representing an anonymous buyer.

This footage from the auction reveals the record-breaking moment.