Sterling Silver Star Saturn Planet Black Diamond Earrings Give your outfit a gentle lift with these earrings, designed to keep you feeling polished and confident. These earrings are crafted with a 2.2 MM/1.2 MM round-cut Enhanced Black Diamond, prong-set. At 7 GRM Approx, the earrings are lightweight yet durable, designed to offer comfort with a butterfly closure. With a width of 21.34 MM Approx and a length of 23.94 MM Approx, they are the perfect size for any occasion.