An aquamarine and diamond ring and a topaz and diamond ring


The oval-cut aquamarine in claw-setting, framed by single-cut diamonds, to a plain hoop, size M½, stamped '750', British hallmarks, estimated total diamond weight approximately 0.35ct ; and the oval-cut topaz, millegrain-framed by old round brilliant-cut diamonds, to a plain hoop, size N½ (2)