Sanwa Pearl & Gems Ltd is the largest official distributor of lab-grown synthetic opal (Kyocera Opal). Since entering the synthetic opal market in the US since 2000, Sanwa has committed to promoting the development of synthetic opal and stimulate the American's enthusiasm towards "Opal jewelry", until now, Sanwa has captured the world's largest synthetic opal market share and continue to promote the future growth of synthetic opal market.