Australian pipe opal ring in 14K gold-fill (size 6-1/4)This handmade ring features a rare Australian crystal pipe opal set in 14K gold fill. Gold fill provides a much thicker layer of gold than gold plated and should not wear off with proper care. The ring band in suitable for ring size 6 1 4. This flashy crystal pipe opal from Australia is highly coveted and not easy to get your hands on. Mother Nature only created pipe opals in small localized areas, so it can take several years or decades before more