The Oppenheimer Blue, a rare fancy vivid blue diamond weighing 14.62 carats, could become the most expensive cut diamond in the world, according to auctioneers Christie’s. Photo: AFP

Giant blue diamond could top record US$48m Hong Kong’s Joseph Lau paid for Josephine blue

‘Most beautiful’ 14.6 carat gem once owned by Philip Oppenheimer of the De Beers diamond company is in with a shot of surpassing sum paid by fugitive tycoon for 12 carat Blue Moon of Josephine

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The Oppenheimer Blue, a rare fancy vivid blue diamond weighing 14.62 carats, could become the most expensive cut diamond in the world, according to auctioneers Christie’s. Photo: AFP
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