This sterling silver key necklace features a heart for lovely style. Inside the heart, vibrant Swarovski Topaz in honey, pink, paraiba, rainforest, white and poppy dance with delight and deliver optimal shimmer. Suspended from an 18" box chain with spring ring clasp. With 2" extender for added versatility. Crafted in sterling silver. Made with genuine topaz that has been permanently treated by SWAROVSKI's patented Thermal Color Fusion™ process. Thermal Color Fusion™ is a color treatment process that creates a permanent ceramic color layer on the topaz.