A cultured pearl and gem-set necklace and a gem-set brooch

A cultured pearl and gem-set necklace and a gem-set brooch
The necklace designed as a torsade of small cultured pearls terminating in a crossover design clasp composed of two sapphire and diamond-set serpent heads, 40.5cm long; the brooch designed as an owl on a branch, the body set with a blister pearl, the eyes with cabochon emeralds, the tail and branch accented with rubies and a single diamond, within an openwork oval frame set with circular-cut sapphires, 5.0cm long