Biggest rough diamond in existence fails to sell - Jeweller Magazine: Jewellery News and Trends
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131.5-Carat Rough Diamond Found in Angola
Lucky Pastor Pulls 706-Carat Diamond From a River Bed in Sierra Leone - Deans Jewelry
Mystery of how diamonds reach the Earth's surface finally solved •
Largest Diamond Found in Over a Century May Sell For Over $70 Million at Auction
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Gem Diamonds finds 442 carat rough at Letšeng mine
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Big Ugly' 3.29-carat diamond found at Arkansas state park