A Diamond Pendant Necklace Weighing Approximately 50.52 Carats. Christie's image Ltd 2012 Suspending a pear-shaped diamond, weighing approximately 50.52 carats, from a circular-cut diamond, weighing approximately 2.28 carats, to the fine link neckchain, mounted in platinum, 17½ ins.
A late 19th century topaz and diamond pendant necklace. The oval-cut topaz, within a rose-cut diamond surround, suspended from a similarly-cut diamond bow surmount, mounted in silver and gold, to a later trace-link chain, lengths: pendant 3.6cm, necklace 46.0cm
A tanzanite and diamond pendant-necklace centering a pear-shaped tanzanite with a round brilliant-cut diamond surround and gallery, completed by a collet-set round brilliant-cut diamond-set chain; tanzanite weighing approximately: 37.35 carats; estimated