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Largest Known Diamond in North America Found in Canada
A 552-carat yellow diamond was recently unearthed in Canada -- the largest ever found in North America. Mining company Dominion Diamond Mines said in a press release on Thursday the diamond was discovered in October at the Diavik Diamond Mine in Canada's Northwest Territories. The "astonishing gemstone" measures 33.74 millimeters by 54.56 millimeters, the company said.