This sterling silver necklace features an 8-mm. freshwater pearl with 0.18 ct. t.w. white topaz accent and measures 18.0-mm. length x 8.15-mm. width. Almost all gemstones have been treated to enhance their color and require special care. Prong setting 1 Freshwater Pearl and 3 White Topaz Imported Belk Exclusive Material & Care Sterling silver Clean with a soft bristle brush or cloth and warm, soapy water. Use silver polishing cloth on silver items.