Women's Garnet Stud Earrings 5x7mm Platinum Plated, Garnet Earrings Platinum. These earrings include natural Garnet gemstones that measure 5mm x 7mm, and high quality cubic zirconia's. These earrings are 925 sterling silver and platinum plated, also available in gold or rose gold plating. This item includes a velvet gift box and a certificate of authenticity with purchase. Please allow up to 10-15 days for processing and delivery of this item.