Sanwa Pearl & Gems Ltd is the largest official distributor of synthetic opal . Not only offering more than 55 colors of synthetic opal , Sanwa also maintains a high quality investory to speed up productivity and to offer the most stable and timely supplu . Colors: 55 colors ( Most are exclusive from us ) MOQ: 1kg each color ( We could cooperate with small QTYorder ) Delivery: Immediate delivery after payment confirmation.