Brooch in Art Deco stylePlatinum, tested, central old-cut diamond, approx. 1.00 ct, with 50 octagonal and baguette-cut diamonds, totalling approx. 1.80 ct, H, vvs-vs, 4 baguette-cut sapphires, totalling approx. 0.50 ct, length 4.2 cm, width 1.6 cm, weight approx. 7 g, 2 sapphires with minimal wear