This item contains Natural Australian White Opals measuring 7x9mm, and high quality cubic zirconia's (adjustable 45cm in length, these opals are natural white fire opals dyed orange). This necklace 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 up to 10-15 days for processing and delivery of this item.