White Opal Emerald Ring, Fire Opal Ring, Sterling Silver White Opal And Emerald . This ring contains one natural Colombian Emerald measuring 5x5mm, and natural Australian White Opals measuring 3x3mm. This ring is 925 sterling silver available in platinum plating, 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.