... 1. korea machine cut cubic zirconia 2.free samples are ... Peridot, Blue Topaz, Quartz, Emerald, Shell.ShapeRound, square, heart, triangle, trillion, marquise, baguette, octagon, rectangle, bridge, ... hexagon and so on.ColorWhite, amethyst, pink, olive, Champagne, garnet , lavender, peridot, black, purple, orange, blue, yellow, ... upon customers' request. special heart mix-color cubic zirconia gemstone