EMERALD AND DIAMOND 'BOW' BROOCH, CIRCA 1925, AND DIAMOND RING, Graff

The pleated ribbon encrusted with circular-cut diamonds, edged by channel-set calibré-cut emeralds, the diamonds together weighing approximately 3.50 carats and emeralds approximately 1.00 carat, mounted in platinum; and the ring continuously set with princess-cut diamonds, interspersed and bordered by brilliant-cut diamonds, the diamonds together weighing approximately 5.10 carats, mounted in 18 karat white gold, signed. (2)

Ring size: 6