Glittering stars in the night sky aside, scientists have long known that there are diamonds in the heavens. In 1981, for example, when Smithsonian researchers tried to cut through a large iron ...

Christie's just broke a world record. The auction house sold a 28.86-carat diamond for $2,115,000 in an online auction — the most expensive diamond to ever be auctioned online, Annabelle ...

When you buy through our links, Business Insider may earn an affiliate commission. Learn more For a jewelry company that stands by the values of quality, simplicity, and transparency, Vrai, which ...