'Pink Star' diamond sells for record $71m

A rare pink diamond has become the world's most expensive gemstone ever sold at auction. Nicknamed the 'Pink Star', it was bought by one of Hong Kong's biggest jewellery stores for a record $71m.

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    A rare pink diamond has become the world's most expensive gemstone ever sold at auction.

    Nicknamed the "Pink Star", it was bought by one of Hong Kong's biggest jewellery stores for a record $71m.

    Al Jazeera's Sarah Clarke reports from Hong Kong.

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