Swiss Blue Topaz Pendant Earrings Necklace Set Sterling Silver Heart Shape 2.25 Carats Swiss Blue Topaz, Deep Sky Blue Hue, Brilliant Sparkle Pendant and Earrings are in .925 Sterling Silver and finished with Rhodium Top Quality Craftsmanship Exceptional Styling 30 Day Return Policy All our diamond suppliers confirm that they comply with the Kimberley Process to ensure that their diamonds are conflict free.