Enigma Black Diamond: 555.55-Carat Gem Likely from Outer Space Now for Sale

The Enigma black diamond is a 555.5-carat gem, probably from space, being displayed and auctioned for the first time. Find out more about the record-breaking black space diamond!

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The Enigma black diamond is thought to have come from outer space and it sold for $4.3 million, Anita Durairaj

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Black diamond weighing 555.55 carats that scientists think formed in SPACE goes up for auction

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