细节
A SINGLE-STONE CABOCHON SAPPHIRE RING
Bezel-set with a sugarloaf cabochon sapphire in a pavé-set diamond and sapphire half-hoop surround, mounted in 18K gold (?), size 5, with French assay marks
Bezel-set with a sugarloaf cabochon sapphire in a pavé-set diamond and sapphire half-hoop surround, mounted in 18K gold (?), size 5, with French assay marks