14k Yellow Gold Cubic Zirconia Engagement Ring - Size 7 - 2.4 Grams in 14k Yellow Gold - Gift Ready Jewelry Box Included ::: [ Potential Enhancement Methods: Cubic Zirconia ] - Synthetic. Some are coated with a product that makes the stone more durable. ::: [ Care & Handling: Cubic Zirconia ] - Clean with warm soapy water and a soft cloth. :::