Silver ring #2100547(PAu-Y+PRh-Gr)_AM+RB+SA, Silver 925°, yellow gold (Plating)/, Rhodium (Plating), Amethyst , Ruby , Sapphire . Stone: Amethyst (22Ct), Ruby (1Ct), Sapphire (0,1Ct) Rings are made of Solid 925° Silver. Genuine 925° Silver, Stamped 925 All Jewelry is marked “Common Control Mark” (CCM) according Hallmarking Convention