Sterling Silver Rhodium Plated Diamond and London Blue Topaz Ring - .010 Carat Diamond Weight .77 Carat Gemstone Weight in Sterling Silver - FREE gift-ready jewelry box - Ring Size Options: 6 7 8 9 ::: ::: [ Care and Handling: diamond ] - Clean with warm soapy water and a soft brush or cloth. ::: ::: [ 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. :::