Sotheby's sale of 110 lots includes important pieces from the Vanderbilt and Wade families, and a private collection in which ...

Swift has worn little black dresses and diamond jewelry for several recent birthdays. Her 35th, however, aligned with the end ...

Lab Grown diamonds continue to put pressure on the $370 billion dollar global jewelry market. For the first time ever, more ...

Botswana’s state-owned Okavango Diamond Company plans to start contracted gem sales in September, managing director Mmetla ...

The latest quarterly data reveals the severity of the crisis in the global diamond industry: De Beers (under Anglo American), ...