A Victorian pearl and diamond necklace, the twelve graduated cluster motifs each centred with natural bouton pearls measuring from 5.6 mm to 9 mm, within a surround of old brilliant-cut diamonds in cut-down silver setting alternately thread-in silver set with entwined old-cut diamond set fancy figure-of-eight links, centred with a single old brilliant-cut diamond cut-down collet silver set, total estimated diamond weight approximately 60 carats, all mounted in gold, approximately 43 cm long, convertible into two bracelets, a shorter necklace and a tiara, gross weight 82.4 grams, circa 1880.