A ring 500/1000 platinum set with a brilliant cut diamond weighing approximately 1.65 ct., colour grade H~I and purity VVS Portuguese signs of use Lisbon mark (1938-1984) and Vergílio Júlio da Costa Correia maker's mark (1935-1948) Dimensões (altura x comprimento x largura) - 21 (19,5 mm) cm; Peso - 5,6 g.