Australian White Opal Dangle Earrings, White Opal Dangle Earrings Sterling. These earrings contain natural Australian Opal Gemstones measuring 4x6mm, and high quality cubic zirconia's. These earrings are 925 sterling silver and platinum plated, also available in gold color 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 up to 10-15 days for processing and delivery.