An Edwardian lavalier necklace with tourmaline, pearl and di...

An Edwardian lavalier necklace with tourmaline, pearl and diamond, centred with a claw-set marquise tourmaline in green, with keshi pearls hanging below, to a surmount with old-cut diamond accents, attached to a fine chain with pearl intervals, fastens with later added spring-ring clasp, unmarked, drop length 22.5 cm, total weight of item 4.4 grams.

later added fittings marked '9ct'