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Pink Diamond Fetches $10.9 Million at Sotheby’s Swiss Auction

A pink diamond the size of a SIM card sold last night in Switzerland for 9.6 million francs ($10.9 million) as collectors continued to battle for rare gems.

The price paid by a telephone bidder was the third highest for a pink diamond at auction, said Sotheby’s. The privately owned diamond, not seen on the market for more than 30 years, was estimated to fetch as much as 14.8 million francs at hammer prices, the most highly valued of 491 items being offered by Sotheby’s in its biannual jewel auction in Geneva.