The natural diamonds are set in 14k white gold. The diamonds are held in with your prongs. The posts and backs are also 14k white gold. The diamonds measure 3.2 millimeters round and weigh 0.28 carats total weight. The diamonds have a "H" color and an "I1" clarity grading. We will provide a earring box. If you are ordering outside of the United States please check with your local post office to determine if you will have to pay import fees or customs fees.