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152-Carat Stone Is Sixth 100+ Carat Diamond Found At Letšeng This Year

London-listed Gem Diamonds has got off to a blazing start in 2018. The company announced on Wednesday that it had recovered a 152-carat, top white colour, Type IIa diamond at its Letšeng mine in Lesotho — the sixth diamond over 100 carats recovered at the mine this year.

The mine is known to produce large stones but Gem Diamonds only recovered five diamonds over 100 carats in 2016 and seven in 2017.

Since acquiring Letšeng in 2006, Gem Diamonds has recovered five of the 20 largest white gem quality diamonds, making the mine the highest dollar-per-carat-of-kimberlite operation in the world. The mine is at an average elevation of 3,100 metres (10,000 feet) above sea level, making it also the world’s highest diamond mine.

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