A collection of jewelleryComprising: a diamond single-stone ring, claw-set with a round brilliant-cut diamond, with three graduated single-cut diamonds millegrain rubover-set to each shoulder, size R, stamped 'PLAT', estimated principal diamond weight approximately 0.63ct; a three-stone ring, claw-set with graduated round brilliant-cut diamonds, size R, stamped 'PLAT', estimated total diamond weight approximately 0.45ct; an open pear-shaped pendant, set with an aquamarine, diamonds and seed-pearls, with fine belcher link chain; and a green and white paste-set bar brooch (4)