A BELLE EPOQUE CONCH PEARL AND DIAMOND PENDANT NECKLACE

A BELLE EPOQUE CONCH PEARL AND DIAMOND PENDANT NECKLACE The central old-cut diamond weighing approximately 4.44 carats<b>, </b>within<b> </b>a single-cut diamond border, to a similarly-set diamond foliate surround with four old-cut diamond collets, suspending a conch pearl drop with a later single-cut diamond cusp, to the openwork single-cut diamond bow surmount and fine link seed pearl chain, pendant detachable, pendant 5.0cm, necklace 50.0cm, circa 1905