Original sentence: Earth Star Diamond was found at another South African mine of De Beers, the Jagersfontein Mine on May 16th, 1967.The Lesotho I was offered at Sotheby's, Geneva on November 19th, 2008 as part of a Magnificent Jewels sale, but it did not sell.marketing strategy has changed in the 1980s and the brown diamonds are becoming popular gems.. The change was mostly due to the numbers: the Argyle mine, with its 35 million carats (7,000 kg) of diamonds per year, makes about one third of global production of natural diamonds; 80% of Argyle diamonds are brown
Edited sentence: Earth Star Diamond was found at another South African mine of De Beers, the Jagersfontein Mine on May 16, 1967.The Lesotho I was offered at Sotheby's, Geneva on November 19, 2008 as part of a Magnificent Jewels sale, but it did not sell.marketing strategy has changed in the 1980s and the brown diamonds are becoming popular gems.. The change was mostly due to the numbers: the Argyle mine, with its 35 million carats (7,000 kg) of diamonds per year, makes about one third of global production of natural diamonds; 80% of Argyle diamonds are brown