Round Black Diamond Rose Gold Plated Halo Stud Earrings Perfect for work, brunch, or a night out. Stud earrings are a classic and elegant type of earring that sits directly on the earlobe. These earrings are crafted with a 2.5 MM round-cut Enhanced Black Diamond, prong-set, and a 1 MM round clear white Diamond set in a prong. At 3.26 GRM Approx, the earrings are lightweight yet durable, designed to offer comfort with a butterfly closure. With a width of 8.9 MM Approx and a length of 8.9 MM Approx, they are the perfect size for any occasion. These earrings would be suitable for various occasions, from everyday wear to more formal events.