Tatler Singapore

DIAMOND IN THE ROUGH

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Five extraordin­arily rare blue diamonds, which weigh 25.75, 21.25, 17.57, 11.42 and 9.61 carats, respective­ly, have been recovered within a single week from Petra Diamonds’ famous Cullinan mine in South Africa. They are among the world’s most expensive diamonds, having been sold to a partnershi­p between De Beers and Diacore for US$40.36 million, and were formed deep within the Earth—about 650 kms below the surface, four times as deep as where white diamonds are formed.

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