... gradually introduce some new products(cubic zircon, syntheticspinel,crystal,Glass,Natural Diopside, Natural Garnet, opal,etc). With our strong technical forrce and ... Our Products Brand NameLuster JewelryCommoditySynthetic Gemstone&Natural GemstoneMaterialSynthetic corundum, cubic zircon, spinel, Glass Cystal, Natural Garnet, Natural Diopside, opa,etc)SizesAll sizesShapesRound, oval ...