Sterling Silver Rhod-plat Iolite Ring - Size 7 - .22 Carat Gemstone Weight 3.8 Grams in Sterling Silver - Band Width: 2.57 to 16.07 mm (tapered) - Width of Item: 2.57 to 16.07 mm (tapered) - Ring Top Length: 15.02 mm - Ring Top Width: 7.11 mm - Finish: Polished - Ring Top Width: 7.11 mm - Ring Top Length: 15.02 mm - Feature: Solid - Feature 2: Open Back - All of our jewelry for women and men are authenticated with a 10K or 14K hallmark and are tested to pass FTC regulations. ::: ::: [ Care and Handling: iolite ] - Clean with warm soapy water and a soft brush or cloth. :::