Raw Pink Tourmaline Ring in Sterling Silver - these raw crystals are left untouched, just as they were found in nature. This raw stone ring showcases the many gemstone options beyond diamonds. The unique tourmaline in this piece is likened to a dragon's precious treasure found in a cave. Shop today and add this piece to your collection. Tourmaline, also known as the “rainbow of gemstones”, comes in a variety of colors and has been cherished for centuries.