... zirconia ,spinel,quartz,,ruby,glass and 925 silver jewelry.the stone is with quality classifications of B,AB,A,AA,AAA ... ,Thailand,Eurpean countries and area.Brand nameHao-yue Gems Co Ltd. ( manufacturer & wholesaler )Gems materailCubic zirconia ,Crystal ,quartz ,glass ,Corundum , spinelColorWhite,garnet ...