That license will extend existing technological cooperation between WTOCD and Coborn with the machining of diamonds supplies for industrial functions. The Swiss Gemmological Institute SSEF has announced the release for international export of an upgraded model of its ASDI device. GIA now presents origin reporting for alexandrite, adding it to Colored Stone Identification & Origin Report companies for ruby, sapphire, emerald, Paraíba tourmaline and red spinel. Gem and Jewellery institutes coming collectively beneath one umbrella to kind Asia-Pacific Gemstone and Technology Standardisation Alliance .
- 1-carat RAPI up zero.8% in January LAS VEGAS – Diamond sales have been sluggish in January