A late Victorian diamond pendant brooch

A late Victorian diamond pendant brooch, centred with an old cushion-shaped diamond weighing approximately 1.20cts, in a quatrefoil surround with laurel motif and set with old cushion-shaped diamonds, suspending a hinged lower section with diamond drop, with further diamonds to the fleur-de-lys bale, in silver on gold, detachable brooch fitting, detachable pendant loop, 6.8cm high