The corporate giant Alrosa, which owns Russia's diamond monopoly, is based inthe region and accounts for 20 per cent of the world's supply of roughdiamonds.
大公司阿辽沙垄断了俄罗斯的钻石生产，公司本部就在此地，该公司的粗钻产量占全世界产量的20%。
2
A 196-carat rough white stone (see photo) was found by Gem Diamonds at the company's mine in Lesotho, a small kingdom in South Africa, the Daily Mail of London reported.
Letseng is one of the most productive mines in history — four of the world's 20 largest roughdiamonds have been found at the mine, including the three largest found this century.