Pendant on pearl string

An emerald and diamond pendant necklace, the metal tested as platinum, lock is 18k gold, the shield-shaped pendant of openwork foliate design, millegrain set with graduated oval and circular mixed-cut emeralds, framed by channels of old, brilliant and swiss-cut diamonds, suspended from a seed pearl back chain, total diamond weight approximately 1.20ct, pendant length 4.4cm, total length 36cm, weight 11gms