Sterling Silver With 14k Accent Light Swiss Blue Topaz and Peridot Ring - Size 7 - .35 Carat Gemstone Weight in 14k Yellow Gold and White Gold - Band Width: 4.27 mm - Finish: Antiqued - Feature: Solid - 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: 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. ::: ::: [ Potential Enhancement Methods: blue topaz ] - Usually irradiated and heated to produce color. Some topaz may be coated with a thin film of minerals applied through heat. ::: [ Care and Handling: blue topaz ] - Clean with warm soapy water and a soft brush or cloth. :::