Paraiba Blue Swarovski topaz is paired with white Swarovski topaz to create the iconic Open Hearts design in this magnificent necklace for her. Crafted in sterling silver. Suspended from an 18" box chain secured with a lobster clasp. 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. Available at select Kay Jewelers locations -- call 1-800-527-8029 for the store nearest you.