654
An aquamarine and diamond ring
Estimate
2.000 - 3.000
Session 2
21 July 2026
Description
Gold, fineness .800
Set with a fancy oval-cut aquamarine weighing approximately 11.90 ct. and 84 brilliant-cut diamonds weighing approximately 1.40 ct.
Porto hallmark (1985-2020), goldsmith's mark of Manuel António da Costa Santos & Filhos Ldª-ARTEJOIA (reg. 1966)
Med.: 17 (EU)
16,3 g
Additional Information
Provenance:
Exhibitions:
Literature:
VIDAL, Manuel Gonçalves; ALMEIDA, Fernando Moitinho de - "Marcas de Contrastes e Ourives Portugueses (1887 a 1993)", vol. II. Lisbon: IN-CM, no. 4093 and 3990
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