A group of emerald and diamond jewellery

A group of emerald and diamond jewellery
Comprising: a brooch centrally-set with a cabochon emerald within a tiered openwork rose-cut diamond surround; a pair of earrings composed of two pear-shaped emerald and rose-cut diamond clusters with rose-cut diamond connector, clip fittings; and a ring set with a cabochon emerald within a brilliant-cut diamond surround; brooch 4.8cm wide, earrings 3.7cm long