Genuine, natural Ethiopian Opal cabochon weighing 1.6 carats and measuring 10.1x8mm set in a Fine silver (999% pure silver) setting. This has two 5mm Cubic Zirconia round stones set in this one of a kind setting. This Opal has not been treated in any way, nor is it man made. It has flashes of red, yellow, blue, green, orange, and purple that move as the light hits the stone. This is also available without the chain for $111.