A Necklace 750/1000 bicolour gold pounded mesh with geometric pattern set with 11 8/8 cut diamonds with an approximate weight of 0.30 ct. European 20th C. (the 60s/70s), signs of use remarked with Lisbon mark (post 1985) Dimensões (altura x comprimento x largura) - 42 cm; Peso - 99,9 g. Notes: Provenance: Jewelry collection of a soprano opera singer of the São Carlos National Opera House, Lisbon.