... . Gemstones Specification Material:Cubic Zirconia(aka CZ), Corundum, Ruby, Sapphire, Spinel, Glass, K9Shape:Round, marquise, octagon, BAG, pear, oval, heart, square, pear etc ... , tanzanite, lavender.More colors and more accurate please check XDGems Color Card.Quality:AAAAA, AAAA, AAA, AACutting Style:Brilliant cut, Fancy ...