Blue diamond unearthed at Cullinan mine in South Africa
A rare blue diamond has been unearthed at Cullinan mine in South Africa.
The 25.5-carat stone was recovered by Petra Diamonds at its Cullinan mine and is expected to bring large profits.
Experts say the blue diamond could be worth more than $10 million, and the find gave a boost to Petra’s share price.
Similar finds in recent years from the Cullinan mine have commanded high prices and Petra, with operations in Botswana and Tanzania, is expecting a high level of interest from buyers.
“It’s very unusual for a diamond of this quality and size to come to market,” said company spokeswoman Cathy Malins.
The mine, north-east of Pretoria, has produced hundreds of large stones and is famed for its production of blue diamonds.
A similar 26.6-carat blue rough diamond discovered by the same company in May 2009 was cut into a near perfect stone and fetched just under $10 million at a Sotheby’s auction.
The diamond was named the “Star of Josephine” by its new owner.
Another deep-blue diamond from Cullinan was auctioned for $10.8 million last year and set a world record for the value per carat.
In 1905, the renowned Star of Africa blue diamond – the world’s second largest cut diamond – was discovered at the Cullinan mine.
The pear-shaped 530-carat stone was presented to King Edward VII and became part of the British crown jewels.
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