This necklace contains natural Australian Fire Opal Gemstones measuring 3x5mm (these opals are colorful white fire opals dyed orange), and high quality cubic zirconias. This item is 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.