A ring 500/1000 platinum set with 15 navette cut diamonds with the approximate weight of 2.40 ct. and 9 brilliant cut ones with an approximate weight of 0.40 ct. Portuguese signs of use Lisbon mark (1938-1984) and Fernando da Silva maker's mark (reg. 1968) Dimensões (altura x comprimento x largura) - 16 (17,7 mm) cm; Peso - 8,6 g.