Solid 10k Yellow Gold Tear-drop Dangling Simulated Diamond Cubic Zirconia Belly Ring (7mm X 38mm) - In 10k Yellow Gold - Style: JTBO5856Y - FREE gift-ready jewelry box[ Potential Enhancement Methods: cubic zirconia ] - Synthetic. Some are covered with a product that makes the stone more durable.[ Care and Handling: cubic zirconia ] - Clean with warm soapy water and a soft cloth.