18K Gold Plated 925 Sterling Silver Shell Pearl Stud Earrings,Hypoallergenic to Sensitive EarsSAFETY ASSURANCE: Hypoallergenic Sterling Silver Plated with 18k gold. Stamped 925 to meet guidelines. 100% lead & nickel free HIGH QURLITY: Simulated Shell pearls are lab created, made from Mother of Pearl. They are cut and shaped in round beads then they are covered with natural Nacre, giving them a brilliant glow SIZE: Pearl diameter 12 millimeters(0. 472 in). It's a bit large, measuring nearly half the size of twenty five cents. Simulated pearls