... orders, quick delivery Product Information Brand NameJijiCommodityArtificial GemstoneManufacturerWuzhou Jiji Jewelry Co. LtdMaterialGlassWhat we supplyCubic zirconia, corundum, spinel, crystal glassOriginal PlaceWuzhou, Guangxi ... take chenical reactions with oxygen,then become yellowWuzhou Jiji Jewelry Co., Ltd., located in the World Capital of Synthetic Gems - Wuzhou, Guangxi ...