MIa Crystal Halo Earrings. The Angelic White Halo Stud: A finely made stud for day or evening wear with Angelic White crystals. The center stone is a crisp Angelic White Crytal framed with white cut crystals. . If you are looking for an after five sparkle and glamour, reach for these lovely crystal studs for an eye-catching look. Center stone is 11mm and Earring are 14mm round. Length of earrings with center post 18mm. White, crystal, Stud, Butterfly, Copper, Not Handmade, Rhodium Plated, Polished.