A brooch/clip 500/1000 platinum set with a teardrop-cut emerald weighing approximately 4 ct., 9 diamonds in 8/8 cut weighing approximately 0.12 ct., 88 brilliant-cut diamonds weighing approximately 7.50 ct., 8 square-cut diamonds weighing approximately 1.44 ct., 10 trapezoidal-cut diamonds weighing approximately 3 ct., and 16 navette cut diamonds weighing approximately 4 ct. Portuguese emerald with traces of treatment Lisbon mark (1938-1984), maker's mark by Fernando da Silva (reg. 1968) Dimensões (altura x comprimento x largura) - 6 x 3,5 cm; Peso - 31 g. Notes: VIDAL, Manuel Gonçalves; ALMEIDA, Fernando Moitinho de - "Marcas de Contrastes e Ourives Portugueses (1887 a 1993)", vol. II. Lisbon: IN-CM, nº 94, 109 and 4213.