This pendant contains natural White Australian Fire Opal gemstones measuring 5mm (Set includes a pair of stud earrings, one ring, and one necklace and pendant). This jewelry set is 925 sterling silver and platinum plated, also available in gold or rose gold color (includes a 45cm necklace chain). Available in full, half, and quarter ring sizes. Upon purchasing, please include your choice of metal and ring size color within your order notes. 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 of this item.