The second-largest diamond ever found – a rough 2,492-carat stone – has been unearthed in Botswana at a mine run by Canada firm Lucara Diamond.
It is the biggest find since the 3,106-carat Cullinan diamond, found in South Africa in 1905 and cut into nine separate stones, many of which are in the British Crown Jewels.
The diamond was found at Karowe mine, about 500km (300 miles) north of Botswana’s capital, Gaborone.
Botswana’s government said it was the largest diamond ever discovered in the southern African state.
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The previous biggest discovery in Botswana was a 1,758-carat stone found at the same mine in 2019.
Botswana is one of the world’s biggest producer of diamonds, accounting for about 20% of global production.
In a statement, Lucara said the stone was “one of the largest rough diamonds ever unearthed”.
“We are ecstatic about the recovery of this extraordinary 2,492 carat diamond,” said Lucara head William Lamb.
The diamond was detected with the use of the firm’s Mega Diamond Recovery X-ray technology, he added.
