Sterling Silver Rhod-plated Polished Peridot and White Cubic Zirconia Ring - Measures 1.56mm Wide - in Sterling Silver - ::: [ 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. ::: ::: [ Potential Enhancement Methods: peridot ] - Sometimes infused with oil, wax resins and/or colorless hardened substance to enhance appearance. ::: [ Care and Handling: peridot ] - Do not use ultrasonic cleaner or steamer. Avoid sudden temperature changes and contact with harsh chemicals. :::