This 555.5-Carat Black Diamond From Space is Officially Going On Sale

This 555.5-Carat Black Diamond believed to be from interstellar space is officially going on sale. The auction house Sotheby’s Dubai outpost is exhibiting and selling this remarkable space diamond dubbed “The Enigma.” According to Sotheby’s, the palm-sized black diamond is thought to have been created either from a meteor impact or emerged from a diamond bearing asteroid that collided with Earth millions of years ago.