An emerald and diamond necklace, of chevron form, comprises graduated brilliant-cut diamonds and emeralds in claw settings, suspending two lines of round diamonds below each terminating with an oval and a pear-cut emerald, attached to a flexible array of round diamonds with emerald intervals, fastened with box clasp and double figure of eight safety catches, stamped '750' and maker's mark S in a hexagonal cartouche, approximately measuring 45.0 cm in length, total weight of item 30.3 grams.