paddle-shaped, centred by a polished black onyx plaque diamond-set with the initial S, the centre tube-lined with an old-cut diamond weighing approximately 0.74 carat and bordered by pavé-set eight and round-cut diamonds weighing approximately 0.56 carat, the neck and outer rim pavé-set with graduated eight-cut diamonds weighing approximately 6.25 carats, length approximately 68mm; with an Italian 14ct white gold chain, composed of snake links, length approximately 430mm