Star Saturn Planet Rose Gold Plated Black Diamond Earrings They’re the perfect mix of classic and current—made for women who love timeless style with a modern twist. 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.