This bold 18K yellow gold estate ring features a wide deeply engraved twisting band set with curving ribbons of marquis cut diamonds. A single .85 carat, deep blue sapphire floats above the sparkling mounting. The mounting is set with approximately 1.02 carats of diamonds. The ring measures 11.25 mm in width. Circa: 1960. Size 6 1/2. We can re-size slightly.