Sterling Silver Canary and White Cubic Zirconia 3-stone Ring - Measures 13.25mm Wide - in Sterling Silver - Product Attributes: - Radiant Cut - Step Cut - Yellow Cubic Zirconia - ::: [ 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. :::