K18 Opalised shell Ring

Material: Opalised Shell, 18K Yellow Gold Size: US 6 (Japanese size 12) Origin: Made in Japan "Opalised Shell" Shell opal is formed when fossilized shells from the Jurassic to Cretaceous periods slowly transform, with the resulting voids becoming opalized. This is an exceptionally rare gemstone found only in specific regions of Australia. ・Ring size can be adjusted between US 3-9 (Japanese sizes 5-20). Please indicate your desired size in the order notes. ※As this item is also sold on other platforms, it may be sold out due to timing differences. We appreciate your understanding.