Silver ring #2100430(PRh-Gr)_CZ+TZLB+PR, Silver 925°, Rhodium (Plating), Zirkons , Sky Blue Topaz , Peridote . Stone: Zirkons , Sky Blue Topaz , Peridote Rings are made of Solid 925° Silver. Genuine 925° Silver, Stamped 925 All Jewelry is marked “Common Control Mark” (CCM) according Hallmarking Convention