Natural Diopside Stud Earrings Platinum Plated, 3x6mm Chrome Diopside Earrings. These earrings contain natural chrome diopside gemstones measuring 3x6mm, with high quality cubic zirconia side stones. This item is 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. This item is made to order, please allow about 10-15 days for processing and delivery of this item.