... are waiting for you. Gemstones Specification Material:Cubic Zirconia(aka CZ), Corundum, Ruby, Sapphire, Spinel, Glass, K9Shape:Round, marquise, octagon, ... .More colors and more accurate please check XDGems Color Card.Quality:AAAAA, AAAA, AAA, AACutting Style ... durability, and close visual likeness to diamond, synthetic cubic zirconia has remained the most gemologically and economically important ...