Emerald Stud Earrings, Women's Stud Earrings, 4x6mm Natural Emerald Earrings. These earrings contain natural Colombian Emeralds measuring 4x6mm, and high quality cubic zirconia's. These earrings are 925 sterling silver and platinum plated (silver), also available in gold, or rose gold plating. These earrings include a 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.