Australian Art Deco gemstone & 9ct gold ring set with a synthetic sapphire, set in yellow gold with white gold shoulders. Marked Willis co 9. Approx ring size M, gemstone size 8.5 x 7 mm, set with a synthetic sapphire, set in yellow gold with white gold shoulders. Marked Willis co 9. Approx ring size M, gemstone size 8.5 x 7 mm