... rings Size 8#/37x29x24mm Weight 0.021kg Material Black Agate, Rock Crystal & 925 Silver Grade ABDetailed PicturesFinished Products Display We supply ... kinds of stones, such as Rose Quartz, Tiger Eye, Sodalite, Rock Crystal,Amethyst, Agate etc.3.Petent Certificate of Melimoli Gemstone ... : Cufflink, Rings, Tie Clips, Gemstone Rings Black Agate with Cameo Rock Crystal