White Fire Opal, White Opal Ring, Gemstone Jewelry Ring, Womens Fire Opal. This ring contains a natural Australian White Opal Gemstone measuring 8x10mm, and high quality cubic zirconia side stones. This ring 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.