A pink topaz, aquamarine, pearl and diamond necklace, circa 1910 The graduated fringe of alternating oval-cut pink topaz and aquamarines, mounted on a knife-wire bar with old brilliant-cut diamonds and suspended from a line of circular-cut aquamarines and half pearls, foliate accents set with rose-cut diamonds throughout, to a trace-link backchain, old brilliant-cut diamonds approx. 0.50 carat total, length 36.0cm