A Ring platinum set with a South Seas pearl (11 mm), 2 baguette cut diamonds with an approximate weight of 0.40 ct. and 10 brilliant cut ones with an approximate weight of 1.80 ct. Portuguese, 20th C. (mid), signs of use without mark, pursuant to Decreto-Lei 120/2017 of 15 September - art. 2nd, paragraph 2, point (c) Dimensões (altura x comprimento x largura) - 13 (16,7 mm) cm; Peso - 12,8 g. Notes: Provenance: Jewelry Collection of a Soprano of the São Carlos National Opera House, Lisbon.