Sapphire Statement Earrings Platinum Plated, 2x4mm Sapphire Cluster Stud Earring. These earrings include natural Sapphire gemstones that measure 2mm x 4mm and high quality cubic zirconia side stones. These earrings are 925 sterling silver and platinum plated. This item includes a velvet gift box and a certificate of authenticity with purchase. This item is made to order, please allow up to 10-15 days for processing and delivery of this item.