A Ring 800/1000 white gold set with emerald, 8/8 cut diamonds and 4 brilliant cut ones with a total weight of approximately 0.52 ct. Portuguese Oporto mark (1938-1984), Eduardo Martins da Silva Rocha maker's mark (reg. 1964) Dimensões (altura x comprimento x largura) - 15 (17,5 mm) cm; Peso - 6,1 g.