AQUAMARINE AND DIAMOND PENDANT/CULTURED PEARL NECKLACE, CIRCA 1900 The cushion-shaped aquamarine accented by old brilliant, single and rose-cut diamonds in an openwork setting with knifewire and millegrain detail, suspended from two detachable pearl 'jackets', accented by rose-cut diamond 'buds', via an old brilliant-cut diamond link, the single-strand of 4.0mm cultured pearls on a step-cut aquamarine and single-cut diamond cluster clasp, between rose-cut diamond foliate links, mounted in gold and platinum, aquamarine very approximately 42.75 carats, lengths: pendant 6.3cm, necklace 69.0cm, fitted case by Davidson Henderson & Sorley, 133 Buchanan Street, Glasgow