An Art Deco white metal diamond swag and bow brooch, featuring 33 round brilliant cut and 79

An Art Deco white metal diamond swag and bow brooch, featuring 33 round brilliant cut and 79 baguette cut diamonds, all in claw and bezel settings with peg style clasp and clip, brilliant cut diamond diameters between approx 1.5 and 4.55mm, total weight estimated as 3.18 carats, baguette cut diamond dimensions between approx 2.2 x 1.6 x 1.2mm and 3.75 x 2.2 x 1.55mm, total weight estimated as 4.17 carats, assessed mounted collectively colour G to H and clarity VS1 to VS2, brooch dimensions 65 x 38mm, gross weight 23g, not marked but tested as 18ct, in Boucheron box