A Stunning Antique Australian Opal and Blue Sapphire Ring, Retro Art Deco circa 1950. This gorgeous vintage ring holds a collection of genuine Australian Opals and blue sapphires. Each opal measures about 4 x 6mm oval and shows natural colors in the light. The sapphires are faceted to catch the light. The setting is retro Art Deco era, circa 1950 and has a rhodium finish (base test inconclusive, probably a mix of silver or white gold alloy but not certain. There is a mark inside the shank). Overall the ring measures about 15/16 inch long by about 3/4 inch wide from side to side. Ring Size: about 6. This ring was acquired through an estate collection and is in lovely vintage condition.