A brooch 800/1000 gold and 500/1000 platinum set with a Colombian emerald weighing approximately 1.16 ct., 8 baguette cut diamonds weighing approximately 0.40 ct, 120 8/8 cut diamonds weighing approximately 3.30 ct. and 16 in brilliant cut with an approximate weight of 1.44 ct. Portuguese defect on the emerald, signs of use Lisbon mark (1938-1984), Carvalho & Castro Ldª maker's mark (reg. 1951) Dimensões (altura x comprimento x largura) - 4 cm; Peso - 19,3 g. Notes: vd. VIDAL, Manuel Gonçalves; ALMEIDA, Fernando Moitinho de - "Marcas de Contrastes e Ourives Portugueses (1887 a 1993)", vol. II. Lisbon: IN-CM, 1996, nºs 94, 109 and 3196.