Sterling Silver Rhodium-plated Cubic Zirconia 5-row Omega Earrings - in Sterling Silver - Width of Item: 16.45 mm - Length of Item: 19.46 mm - Earring Closure: Omega Clip Back - Earring Type: C-Hoop - Finish: Polished - All of our jewelry for women and men are authenticated with a 10K or 14K hallmark and are tested to pass FTC regulations. ::: [ Potential Enhancement Methods: cubic zirconia ] - Synthetic. Some are covered with a product that makes the stone more durable. ::: [ Care and Handling: cubic zirconia ] - Clean with warm soapy water and a soft cloth. :::