The Lesotho Promise, one of the world's largest diamonds, has been sold in Antwerp, Belgium, for $18.7 million.
The diamond, an uncut, 603-carat white gem weighing 120g, was found in the Letseng mine in Lesotho in August.
The South African Diamond Corporation has bought the golf-ball-sized diamond from the mine's joint owners the Gem Diamond Mining Company of Africa and the Lesotho Government.
The gem will be cut into one large and several smaller stones.
The largest diamond recorded is the Cullinan, found in 1905 in South Africa, which weighed 3106 carats.
<i>Picture:</i> Diamond sold for $18.7m [+video]
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