zhenyun gems co ltd was estabulished in 2005, and begin over sea market since 2008, and we specialized in manufacturing synthetic gemstones, such as cubic zirconia, glass, spinel, and the size ranges is from 1.00mm to 50.0mm.we have many colors such as white , black, blue, emerald, garne, t champagne , rose, pink, purple, fuchisa , and so on. we have AB A 2A 3A grades.we hold we can make a long time business on synthetic gemstones.welcome sent us your sample or picture for order.