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The profoundly curious carbonado diamond "the Enigma" is up for auction through the fine art company Sotheby's. Cut with 55 gleaming sides, the gem is dark and cryptic. Geologists spoke with Mashable about the mysterious origins of carbonado diamonds.
THE WORLD'S largest cut diamond believed to come from outer space is going up for auction online.Sotheby's is holding an online auction from February
THE WORLD'S largest cut diamond believed to come from outer space is going up for auction online.Sotheby's is holding an online auction from February
A massive black diamond dubbed "The Enigma" is hitting the auction block at Sotheby's next week, but experts are divided on its origins.
An extremely rare black diamond was unveiled in Dubai on Monday, and will soon be available for purchase — if you're a gazillionaire.