A demi-parure of ring and pair of earrings 500/1000 platinum set with 3 Colombian emeralds weighing approximately 6.70 ct., 28 navette cut diamonds weighing approximately 3.30 ct. and 28 brilliant cut diamonds weighing approximately 1.10 ct Portuguese with case Lisbon hallmark (1938-1984), Carlos Joaquim Xavier maker´s mark (reg. 1949) Dimensões (altura x comprimento x largura) - (anel) 12 (16,5 mm); (brincos) 3 cm; Peso - 21,6 g. Notes: vd. VIDAL, Manuel Gonçalves; ALMEIDA, Fernando Moitinho de - "Marcas de Contrastes e Ourives Portugueses (século XV a 1887)", IN-CM, nº 94 and 417