Sterling Silver With 14k 6.50Swiss Blue Topaz 18inch Necklacekalce - 6.50 Carat Gemstone Weight in 14k Yellow Gold - Product Attributes: - Antique finish - Lobster Claw Closure - Gift ready jewelry box included - Measures 15mm Wide - Charm/Element Width: 15 mm - Width of Item: 15 mm - Charm/Element Length: 22 mm - Length of Item: 18 in - Chain Length: 18 in - Finish: Antiqued - Feature: Solid - ::: [ 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. :::