0 By Kris Diamonds In Colored diamonds, Diamonds, Sotheby'sPosted 13 February 2022Sotheby’s Sells 555.55ct. Black Diamond for $4.3MSotheby’s has sold the Enigma, a fancy-black diamond weighing 555.55 carats, to cryptocurrency entrepreneur Richard Heart for GBP 3.2 million ($4.3 million). The auction house offered the stone [...] READ MORE
