6mm white heart good quality man-made cubic zircon 2.good quanlity 3.best service ... 2,various colour, any sizes 3,fine quality and competitive price 4,fast deliveryMaterialCubic ZirconiaCorundumSpinelGlassTopazPeridotGarnetShapeButterfly, ... , teardrop, cross, ax, heart and arrow, trapezium, ball, facet bead, semi-circle, fan, leaf, bridge, ... you ! 6mm white heart good quality man-made cubic zircon