This heart-cut blue topaz swirl birthstone necklace is crafted in sterling silver and features a heart-cut sky-blue topaz gemstone and 10 round-cut diamonds in a unique swirl design. Enhanced with a high polish finish, this lovely drop pendant is hung on an 18-inch cable chain and secured with a spring ring clasp. This pretty gemstone and diamond necklace makes a perfect gift either for yourself or for someone you love. A beautiful addition to any jewelry collection. Blue topaz is the featured birthstone for the month of December.