14k Yellow Gold March Lt-Blue Cubic Zirconia Flower Drop Leverback Earrings - Measures 25x10mm - in 14k Yellow Gold - 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. :::