... precious gemstone like cubic zirconia,glass crystal,synthetic spinel and corundumC.Grad range:AAAAA,AAAA,AAA,AA,AD. ... Decoration Gemstone MaterialBlack onyxSize16*16mmColor blackSupply Ability 5000000pcs/monthShapelily 4 flower cutQuality AAAAA,AAAA,AAAPackingRoll in soft paper,foam, ... has been processing from Guangxi, Guizhou, Yunnan, Zhejiang, and Jiangxi, etc. We are among the first rate producers ...