An impressive quality Art Deco platinum and diamond lady's estate dress clip/ brooch in a geometric and scroll shape, set with 144 diamonds mainly in slightly older cutting style, each clip in an open pierced geometric and flowing design, typical of the period, the two triangular sections fitting to the base frame to form the complete brooch, the diamonds include 10 early modern/transitional modern brilliant cut totalling 1.45cts, 12 baguette cut of 0.75ct. and 122 single and older single cuts totalling 2.45cts., the total diamond weight of approx. 4.65cts, probably French made.