Black-plated Sterling Silver Enameled Simulated Red Created Simulated Coral and Cubic Zirconia Ring - Size 7 - in Sterling Silver - Product Attributes: - Black rhodium - Cubic Zirconia - Enamel - Band Width: 7 to 24.25 mm (range) - 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: Coral ] - Usually dyed or bleached to enhance color. Sometimes stabilized with colorless plastic to increase durability and to improve appearance. Sometimes stabilized and compressed under extreme pressure and heat to bind together small pieces of natural material into a larger whole. ::: [ Care and Handling: Coral ] - Avoid household chemicals, steam and ultrasonic cleaning. ::: ::: [ 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. :::