14k Yellow Gold 5mm Square Cubic Zirconia Post Earrings - - 5x5mm - in 14k Yellow Gold - Product Attributes: - Polished - Princess cut - Width of Item: 5 mm - Length of Item: 5 mm - Earring Closure: Post & Push Back - Earring Type: Stud - Finish: Polished - Feature: Nickel Free Polished ; Princess Cut - 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. :::