Rare 555.55-carat black diamond, thought to be forged in space, to be sold at online auction 2 min read Rare 555.55-carat black diamond, thought to be forged in space, to be sold at online auction administrator January 20, 2022 A rare 555.55-carat black diamond, named "The Enigma," has been listed for auction by Sotheby's and is...Read More
