10k Polished Cubic Zirconia Stud Earrings - Measures 3.24mm Wide - in 10k Yellow Gold - ::: Width of Item: 3.24 mm ::: Earring Closure: Post & Push Back ::: Earring Type: Stud ::: Finish: Polished ::: Feature: Solid ::: ::: [ 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. :::