Blog - Grand Auctions

Exceptional 232 ct diamond found

In September Petra Diamonds Limited reported the recovery of an exceptional 232.08 ct white diamond at the Cullinan mine in South Africa. The stone is a D colour Type II diamond of exceptional size and clarity. This month the diamond was sold to Diacore, the diamond manufacturer, for $15,219,219 or $65,577 per carat.

Cullinan diamond

The Cullinan mine is famous for producing the Cullinan diamond, the largest rough gem diamond ever found at 3,106 carats. The stone was eventually cut into nine major diamonds which today remain part of the British Crown Jewels. For the full story read our blog.

World class blue diamonds

In 2009, Petra recovered the Cullinan Heritage diamond, weighing 507 carats, which sold in February 2010 for $35.3 million. Since Petra acquired the mine in 2008, it has also produced a number of world class blue diamonds, including a 29.60 carat diamond that sold for $25.6 million in February and a 122.50 carat blue diamond that sold recently for $27.6 million. Read more about this diamond here.

If you have any diamonds that you would like to sell, please contact Simon Rufus, gemmologist at Grand Auctions, Folkestone, Kent for further details.

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