An antique diamond bow brooch, set in platinum on a 15ct gold ground centring a millegrain set old European cut diamond of approx. 0.40ct SI2 to bow form surround and articulating ribbons set with 75 old European and early round cut diamonds to ends suspending 2 drops millegrain set with 4 old European cut diamonds, size 50 x 35 mm, unmarked, wt. 10.14g.