AMEDEO. Diamond-Trim Hand-Carved Owl Cameo Ring. The history of cameos goes back thousands of years, 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. Oval sardonyx shell cameo center features three owls carved by hand. Pebble-textured bezel and tapered band with white pave diamonds; 0.39 total carat weight. 1 1/3"L x 1"W. US ring size 7.