Synthetic gem siv lead ua
-
Nto ua txoj kev ntawm titanium-doped sapphire siv lead ua laser rods
-
Green Moissanite Lab-Grown Jewelry
-
Ruby Bearings Precision Jewel Bearings
-
GGG siv lead ua hluavtaws gemstone gadolinium gallium garnet hniav nyiaj hniav kub kev cai
-
Synthetic Emerald Green Sapphire Gemstone, Ib Leeg Crystal Al2O3 KhoomHigh Mohs Hardness ntawm 9, Zoo meej rau cov hniav nyiaj hniav kub zoo
-
Lab-Tsim Ruby Rough Stone vivid liab Internally Flawless Rau Kev Tsim Khoom Siv
-
Lilac YAG raw khoom hmoov xim liab hauv Tshuag
-
Ruby npas siab hardness 9.0 ntawm 0.30MM txog 5.0MM sapphire bearing
-
Paraiba Blue lab-ua raw genstone YAG khoom Lake ntsuab
-
Fluorescent daj gemstone khoom Yellow luag tuaj yeem ua tiav
-
Royal xiav Aquamarine Cornflower sapphire 99.999% Al2O3 Paraiba
-
Al2O3 99.999% kub daj champagen sapphire khoom corundum