A ring 375/1000 gold set with 6 brilliant-cut diamonds weighing approximately 0.18 ct. and an oval cut Burma ruby ​​weighing 3.60 ct. with copy of certificate No. GRS2015-042464 (cópia) Portuguese 20th/21st C. Lisbon mark (1985-2020) Dimensões (altura x comprimento x largura) - 15 (17,5 mm) cm; Peso - 4,5 g. Notes: vd. VIDAL, Manuel Gonçalves; ALMEIDA, Fernando Moitinho de - "Marcas de Contrastes e Ourives Portugueses (1887 a 1993)", vol. II. Lisbon: IN-CM, nº 4098 and 4126.