The Rare Gemstone Company unveils a 9.12-carat flawless tsavorite, a vivid green rarity from East Africa and among the ...

De Beers’ Talisman collection and designers Massimo Izzo, Ruth Tomlinson and SunChin are all celebrating rough stones.

A small-scale miner from Tanzania become an overnight millionaire on Wednesday after he sold two rough tanzanite gemstones said to be the largest ever found in the country. Saniniu Laizer, 52, ...

The gem industry is divided on the recently introduced gazette allowing for the export of rough gems that some academics believe results in the reduction in the quality of Sri Lankan products. Colombo ...

SAO PAULO, BRAZIL--(Marketwired - Jul 1, 2013) - Brazil Minerals, Inc. (OTCQB: BMIX) (the "Company" or "BMIX"), a diamond and gold producer with resources and assets in Brazil, today announced that ...

Stefano Cortecci, a gemologist and a geologist, uses his unusual combination of skills at Pomellato. By Milena Lazazzera When Stefano Cortecci joined Pomellato as the director of its stone purchasing ...