... zirconia ,spinel,quartz,,ruby,glass and 925 silver jewelry.the stone is with quality classifications of B,AB,A,AA,AAA ... )materailcubic zirconia,Crystal,quartz,glass, corundum,spinelColorWhite,garnet,yellow,blue,champagne,pink, green,olive,green,applegreen,or as buyers requrirement.ShapeRound ...