Lafonn Simulated Aquamarine March Birthstone Halo Stud EarringsThese Lafonn simulated aquamarine halo stud earrings offer a soft blue glow that reminds us of a clear spring sky. Each earring features a round cut simulated aquamarine measuring 5mm, totaling approximately 0. 46 carats. The center stones are surrounded by a halo of Lassaire simulated diamonds that add a crisp contrast against the blue center. These simulated diamonds total approximately 0. 34 carats, bringing the total weight for the pair to 0. 80