The diamond earrings are made of 14k white gold and they have white gold posts and backings. The posts are not threaded. The diamonds are held in a three prong martini setting. The diamonds are round and they have a "G" color and an "I1" clarity grading. The earrings weigh 0.6 grams. The diamond carat weight is 0.25 carats. We will provide a earring box.