It can also cause recrystallization of the silk inclusions to make them more prominent, which allows the gemstone to have stronger asterism (a reflecting star effect). Tanzanite – The mineral zoisite, ...

Examination of 23 tanzanites coated by an apparently new technique revealed that the smaller stones (4–5 mm) could be identified as coated based on a combination of the unusually intense color and ...

Sovereign Gems is the newest gemstone wholesaler in Australia with a thirst to provide the jewellery trade of Australia with quality coloured stones and excellent service. Sovereign was born out of ...

Jacques addresses the significance of the astounding Lucara Diamond recently discovered, and GIA's work helping dealers, ...

The Rare Gemstone Company has been a leading name in the rare gemstone industry for half a century, serving discerning ...

An absolute must-do for people travelling in South Africa is to experience and explore the amazing range and diversity of our indigenous gemstones.

A conservative average of US$5 per carat was used in the DCF model but high-quality emeralds can fetch prices that exceed ... “Our GM is Wessel Marais, who had the same position at Tanzanite One, ...

Dawson bought a tanzanite gemstone for $9,500 ... We remain committed to providing quality service and transparency to all our customers.” ...

Critical reviews mention difficulty communicating with customer service and long waiting periods, while positive reviews note the quality of Ply Gem’s products and installation. Below is a ...

(PRESS RELEASE) DALLAS — The American Gem Trade Association (AGTA) announced the winners of the 2024 AGTA Spectrum & Cutting Edge Awards. This year is extra special because it marks 40 years of ...