This necklace includes a Australian Opal gemstone measuring 9x11mm, faux pearl, and high quality cubic zirconia's. This necklace is 925 sterling silver and platinum plated, also available in gold color (necklace is 45cm in length and adjustable). Upon purchasing, please include your choice of metal color in 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.