1, Gillard Jewelry, headquartered in the UK, is one of the leading suppliers in colored gems. Mainly engaged in emeralds, rubies and sapphires.
2. Headquartered in Israel, Ikari Gems Co., Ltd. is a company specializing in diamonds and colored gems.
Titan International Holdings Limited, headquartered in the United States, is a company engaged in gem mining, processing and sales. Its main products include rubies, sapphires and emeralds.