AMEDEO. Diamond-Trim Hand-Carved Snake Cameo Ring. The history of cameos dates to antiquity, but we've never seen the ancient art form look more modern than in this AMEDEO ring. The designer's traditional carving techniques complement his contemporary aesthetic and create conversation-starting pieces; wear this ring to your next cocktail party to make meeting and mingling more fun. Black rhodium-plated sterling silver with pebbled texture. Oval carnelian shell cameo center features hand-carved snake. Pave brown diamonds on bezel and tapered band; 0.84 total carat weight. 1 1/3"L x 1"W. US ring size 7.