RENÉ BOIVIN | SAPPHIRE AND DIAMOND BROOCH, 1939

RENÉ BOIVIN | SAPPHIRE AND DIAMOND BROOCH, 1939

Of flame design, set with a cushion-shaped and baguette sapphires, cushion-shaped, circular-, single-cut and rose diamonds, unsigned, partial maker's mark for René Boivin, French assay marks.

Accompanied by SSEF report no. 87302 and Gübelin report no. 16090079, each stating that the cushion-shaped sapphire is of Kashmir origin, with no indications of heating; also accompanied by a copy of the original invoice from René Boivin dated 8 July 1939.