Image 1 of 3 Image 2 of 3 Image 3 of 3 Cutter's choice | size O1/2 $370.00 Solid Aussie opal and fine and sterling silver, handmade with love and one of a kind. Aus ring size O1/2 | US 7.5 Add To Cart Added! Solid Aussie opal and fine and sterling silver, handmade with love and one of a kind. Aus ring size O1/2 | US 7.5