A ring 500/1000 platinum set with 14 navette cut diamonds weighing approximately 1 carat each, and a central brilliant cut diamond weighing approximately 2.15 carats, colour grade H~I, clarity VVS, and weak fluorescence Portuguese Lisbon mark (1938-1984), Jacinta Trem Torres maker's mark (reg. 1945) Dimensões (altura x comprimento x largura) - 14 (17 mm) cm; Peso - 9,3 g. Notes: vd. VIDAL, Manuel Gonçalves; ALMEIDA, Fernando Moitinho de - "Marcas de Contrastes e Ourives Portugueses (1887 a 1993)", IN-CM, nºs 94, 109 e 349.