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Lucara Recovers Rare 470-Carat Diamond in Botswana - Only Natural Diamonds
Massive uncut diamond unveiled in New York
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Single rough diamond yield 67 pollished stones
Back-to-Back: Famous Diamond Mines Yield Two Stones With Combined Weight of 736 Carats
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Rough Market The Diamond Loupe
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Diamond - Wikipedia
The Woman Shaking Up the Diamond Industry Finds Yet Another Huge Gem