A Ring 800/1000 gold set with 211 brilliant cut diamonds with an approximate weight of 4.30 ct. and 4 brown-coloured navette cut ones with an approximate weight of 2.50 ct., clarity SI3~P2 Portuguese signs of use Oporto mark (post-1985), Manuel Salvador Gonçalves Ldª maker's mark (reg. 1985) Dimensões (altura x comprimento x largura) - 15 (17,5 mm) cm; Peso - 11,5 g. Notes: Provenance: Jewelry Collection of a Soprano of the São Carlos National Opera House, Lisbon.