14mm Sterling Silver Gold-tone Cubic Zirconia Front Back Earrings - in Sterling Silver - Width of Item: 14 mm - Length of Item: 14 mm - Earring Closure: Post & Ball - Earring Type: Ball - Finish: Polished & Brushed - Feature: Front & Back - Feature 2: Hollow - All of our jewelry for women and men are authenticated with a 10K or 14K hallmark and are tested to pass FTC regulations. ::: [ 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. :::