PLATINUM, DIAMOND AND STAR SAPPHIRE DOME RING. Oval blue-gray star sapphire with good asterism held in bezel and centered by 14 old European cut and old mine cut round diamonds on tapering band with stipple-textured shoulders. - Size: 4 1/2-5. Estimate $500-700
PROVENANCE: Eleanor Norris Vallee, fourth and final wife of singer Rudy Vallee