important gemstone pieces and materials. The exhibition is spread over two large convention halls. The main hall mainly displays precious and semiprecious gems and the second hall is exclusively dedicated to jewelry, lapidary, ...
GEMS,GEMSTONES,VARIETIES,PRECIOUS GEMS,GEMSTONES WORLD MARKET,GEM CUTTING,GEM POLISHING
important gemstone pieces and materials. The exhibition is spread over two large convention halls. The main hall mainly displays precious and semiprecious gems and the second hall is exclusively dedicated to jewelry, lapidary, ...