... 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, ... so on.ColorWhite, amethyst, pink, olive, Champagne, garnet , lavender, peridot, black, purple, orange, blue, yellow, coffee, green ... upon customers' request. special heart mix-color cubic zirconia gemstone