Unheated Chrome Diopside Earrings in 925 Sterling Silver, Diopside Stud Earrings. These earrings contain natural unheated Chrome Diopside gemstones measuring 4x6mm, with high quality cubic zirconia side stones. These earrings are 925 sterling silver and platinum plated, also available in gold or rose gold plating. This item includes a gift box and a certificate of authenticity with purchase, This item is made to order, please allow 10-15 days for processing and delivery.