18ct bi-colour gold, multi-coloured diamond and diamond pendant necklace, Musson centring a bombe undulating pear-shaped plaque pave-set in sections with near colourless round brilliant-cut diamonds supported with similar diamonds of yellow, pink, green, blue and grey hue, the diamonds all together weighing approximately 15.68 carats, completed by an articulated cylindrical gold collar embellished at intervals with diamond set roundels, gross weight approximately 136.19 grams, inner circumference approximately 440 mm, signed RM for Robert Musson, diamonds not tested for natural colour.