Silver stud earrings #2203674(PRh-Gr)_CZ, Silver 925°, Rhodium (Plating), Zirkons . Stone: Zirkons These earrings are made of Solid 925° Silver. Genuine 925° Silver, Stamped 925 All Jewelry is marked “Common Control Mark” (CCM) according Hallmarking Convention Each Earring Pair comes with Butterfly Backings