A ring platinum set with antique brilliant cut diamond with an approximate weight of 3.40 ct., colour grade N ~ O and SI quality Portuguese 19th/20th C. signs of use without marks, pursuant to Decreto-Lei no. 120/2017, art. 2, paragraph 2, c) Dimensões (altura x comprimento x largura) - 6 (14,5 mm) cm; Peso - 3,7 g.