Sterling Silver Rhodium-plated Amethyst Birthstone Ring - Size 7 - .04 Carat Diamond Weight .20 Carat Gemstone Weight in Sterling Silver - Band Width: 1.5 to 2.2 mm (tapered) - Width of Item: 1.5 to 2.2 mm (tapered) - Ring Top Length: 5 mm - Ring Top Width: 7.7 mm - Finish: Polished - Ring Top Width: 7.7 mm - Ring Top Length: 5 mm - Feature: Open Back - Feature 2: Semi-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: amethyst ] - Almost all are heated to improve appearance or deepen color. ::: [ Care and Handling: amethyst ] - Do not expose to intense heat. Clean with warm soapy water and a soft brush or cloth. ::: ::: ::: [ Care and Handling: diamond ] - Clean with warm soapy water and a soft brush or cloth. :::