A Ring, Art Deco style, platinum, set with 40 ancient cut brilliant diamonds with the approximate weight of 2,40 ct., Lisbon assay mark (1938-1984), Nuno Pinheiro makers mark (1920-1952), Portuguese, with case Dimensões (altura x comprimento x largura) - 12 (16,5 mm) cm; Peso - 7,5 grs.