A small group of diamond-set jewellery

A small group of diamond-set jewellery
Comprising: a flowerhead cluster ring set with rose-cut diamonds in foiled closed-back mounts, finger size N; a cluster ring set with four rose-cut diamonds in foiled closed-back mounts in a rose-cut diamond surround, to scrolled shoulders and hoop, finger size O; a similarly-set tapered bracelet with a central cartouche and scrolling fancy-links, 18.5cm long; and a similarly-set pendant, the openwork cartouche suspending a central pear-shaped drop, 6.0cm long