Watermelon Tourmaline Sterling Silver Pendant. Gemstone set in .925 sterling silver. A Watermelon Tourmaline Sterling Silver Pendant is a striking piece of jewelry that showcases the natural beauty of watermelon tourmaline—a gemstone known for its distinctive pink and green coloration, reminiscent of a watermelon slice. These pendants are not only visually appealing but are also believed to possess metaphysical properties that promote emotional healing and balance. Please note that the pendants are handmade. The shape of Tourmaline stones may vary.