AN AQUAMARINE AND DIAMOND PENDANT ON CHAIN, BY MARGHERITA BURGENER The large pear-shaped aquamarine weighing 36.51cts within a four-claw setting and brilliant-cut diamond highlights, suspending from a cable-link chain interspersed with brilliant-cut diamonds within collet-setting and oval links, finishing with a brilliant-cut diamond clasp, mounted in 18K gold, diamonds approximately 1.50cts total, signed Margherita Burgener, with maker's marks, Italian assay marks, with maker's case, pendant length 3.9cm, chain length 69cm (length adaptable)