Jewellery › Gold Opal Ring Image 1 of 5 Image 2 of 5 Image 3 of 5 Image 4 of 5 Image 5 of 5 Gold Opal Ring $349.00 Handcrafted ring featuring an Australian Boulder Opal, made with 20k Hard Gold plated Brass, 5 microns Add To Cart Added! Handcrafted ring featuring an Australian Boulder Opal, made with 20k Hard Gold plated Brass, 5 microns