Massive uncut diamond unveiled in New York

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1,175-Carat Rough Diamond From Botswana's Karowe Mine Makes Big Apple – Artistry in Gold

Over 300-Carat Yellow Diamond to Be Auctioned Without Reserve

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World's Largest Uncut Diamond Fails to Sell at Sotheby's Auction - ABC News

Massive uncut diamond unveiled in New York

Massive uncut diamond unveiled in New York

Estrela de Fura world's largest gem-quality ruby ever discovered

552-carat diamond found in N.W.T. now on display in New York