Sotheby’s New York set two world records for gemstones today, one for a 55.22 carat Mozambique ruby known as the “Estrela de Fura 55.22” and one for a 10.57 carat fancy purplish-pink diamond referred ...

It is widely assumed that mineral inclusions and their host diamonds are ‘syngenetic’ in origin, which means that they formed simultaneously and from the same chemical processes. Mineral inclusions ...

A diamond’s clarity grade, from Flawless (FL) to Included (I3), reflects the size, location, and type of imperfections. Most ...