These are Brilliant Round Cut Black Diamond Stud Earrings. They are made from Solid 14K White Gold. The 1.00 ctw color enhanced Black diamonds are AAA Clarity. The dimensions of each earring is 4.8mm. These earrings have push-backs. The setting is 4-Prong.With this purchase you will get two studs that are 0.50 ct each for a total of 1.00 ct. These earrings are a perfect gift for any occasion.