Pakistan Gems and Jewellery Development Company (PGJDC) has arranged a training course on Gemstone Identification and Grading at the Gem Exchange, Namak Mandi, in Peshawar on Tuesday. This two-week ...
Pakistan Gems and Jewellery Development Company (PGJDC) has organised a two-week gemstone identification and grading course at its Gems and Jewellery Training and Manufacturing Centre (GJTFMC) in ...
DUBAI, United Arab Emirates - May 23, 2012 - GIA (Gemological Institute of America) has added courses to the Dubai Multi Commodities Centre (DMCC) schedule following the tremendously positive response ...
Synthetic gem-crystals are available since the late 1800s and their production processes were more and more refined. Later, starting in the 1950s, diamond was available via different types of ...