Cheap Original Pandora Sincerity Square Mother of Pearl Drop Earrings Silver Oxidized With Black & USA On Sale. Big Savings On Nike Shoes Clearance Sale. Shop Now and Get Great Discount! The earrings are made in sterling silver and feature mother of pearl with white and black cubic zirconias. The mother of pearl features an antique style faceting with a slightly oxidised appearance to give an old world feel. The earrings measure approximately 2.2cm (0.87inches) in length and are designed for pierced ears with hook style fittings.