Add a touch of flair to your everyday style with these classic 4 prong studs. Stone Type: Diamond Simulant Stone Size: 6 mm Total Gem Weight: 2ctw. Each Stone is 1 carat. Metal Type: Brass  Metal Finish: Choice of 14k Yellow or 14k White Gold  Backs: Posts and Friction Backs  Final sale. No exchanges. No returns. No price matches. See our policy here.