Gorgeous and sparkly, these earrings are perfect for any outfit. The 1.7 ct oval pink tourmaline post studs are crafted in .925 sterling silver and gold plated with friction backs. The tourmaline gemstone is one of the most colorful gems on Earth. Tourmaline is semi-precious birthstone of October and the 8th wedding anniversary stone. Tourmaline is believed to promote artistic and creative expression.