It's not the Cullinan, but I'll take it
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The second-largest diamond ever found - a rough 2,492-carat stone - has been unearthed in Botswana at a mine owned by Canadian 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.
