Jewellery, Watches and Objects of Vertu

A ruby and diamond set bombé ring, the domed ring pavé set with small brilliant-cut diamonds and centred with an oval mixed-cut ruby and two brilliant-cut diamonds collet set between lines of channel set calibré-cut rubies, with cabochon ruby accents to either side, mounted in yellow precious metal and bearing maker’s mark ‘SP’, ring size I½. £700-900