Jewellery, Watches, Silver & Objects of Vertu

A sapphire and diamond ring, the cushion-shaped panel collet-set with an old brilliant-cut diamond within a surround of calibré French-cut sapphires, to a border of single-cut diamonds and between similarly-set diamond shoulders, stamped ‘750’, principal diamond approximately 1.05 carats, ring size T. £2,400-£3,000