18ct bi-colour gold and gem-set necklace, Manfredi. Set to the front with a plaque comprising a collet-set fancy-cut oval-shaped amethyst and a similarly set pear-shaped blue topaz and circular-cut diamond, completed by a double fancy link chain and a parrot clasp, gross weight approximately 32 grams, inner circumference approximately 395 mm, signed Manfredi, Italian maker's mark.