Art Deco Diamond & Pearl Bimetal Brooch necklaces Set with sapphires and old

Set with sapphires and old cut diamonds

light wear to the sapphire consistent with age

coloured with green and yellow leaf-shaped tesserae

Hallmarks: Stamped 18K

Art Deco Diamond & Pearl Bimetal Brooch necklaces Set with sapphires and oldSuperb antique bar brooch dating from the 1920s. Set with alternating diamonds and pearls, the former set in platinum and the later set in 18ct gold to create a striking, bimetal effect. The pearls are natural, and the diamonds are an archaic old cut, the Peruzzi or square modified brilliant, named after the Venetian lapidary Vincenzo Peruzzi who is credited with creating this precursor to the modern brilliant cut in the late 17th century. The stones