Lafonn Sterling Silver 1.56cttw CZ Round Halo Stud Earrings. A timeless classic these stud earrings are platinum bonded sterling silver and have 86 bead set CZ simulated diamonds. CZ's are set facing both the front and side for all around sparke accenting round center Lassaire simulated diamonds. All Lafonn pieces come with a full lifetime manufacturers warranty.