Sterling Silver Rhod-plat London and Light Swiss Blue Topaz Bracelet - 8 Inch - 3.60 Carat Gemstone Weight in Sterling Silver - Charm/Element Width: 6.44 mm - Width of Item: 6.44 mm - Charm/Element Length: 6.95 mm - Length of Item: 8 in - Chain Length: 8 in - Chain Width: 3.86 mm - Clasp /Connector: Lobster (Fancy) - Finish: Polished - Clasp Width (Male end): 4 mm - Clasp Width (Female end): 6 mm - 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: 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. :::