925 Sterling Silver Womens Round Cubic Zirconia Key Cluster Fashion Charm Pendant - Measures 23.6x8.8mm Wide - .6 Grams In Sterling Silver - FREE gift-ready jewelry box - This Item Does Not Ship With a Chain ::: [ 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. :::