A ring 500/1000 platinum set with 14 navette cut diamonds with the approximate weight of 0.84 ct. ct., 10 emerald cut ones with the approximate weight of 1 ct. and the central 1 in brilliant cut with the approximate weight of 1.45 ct., colour grade I~J and purity SI3 Portuguese signs of use Lisbon mark (1938-1984) and Carvalho & Castro Ldª makers' mark (1951) Dimensões (altura x comprimento x largura) - 16 (17,7 mm) cm; Peso - 7,5 g.