Vintage Blue Ocean Pearl Sapphires Ring

Ring in 18K (750°/00) yellow gold and platinum (superior to 800°/00) adorned in the center with a white cultured pearl underlined by alternating sapphires and old-cut round or cushion diamonds. Openwork bezel with an arcade decorated with stones Estimated total mass of diamonds approximately 0.25 carat Pearl diameter: approximately 10.55 mm Diameter of the bezel: 18.20 mm Work circa 1930 Ring size (modifiable on estimate): 55 Gross weight: 6.78 g