A French natural pearl and diamond ring by Ravinet d'Enfert

A French natural pearl and diamond ring by Ravinet d'Enfert, c.1930's, set with a cream and a grey natural pearl, the shoulders set with with graduated round brilliant-cut and baguette-shaped diamonds in platinum, French platinum mark and maker's lozenge, size O 1/2

Accompanied by report number 80246-84 dated 9 December 2019 from GCS stating that the grey and cream pearls measure 10.8 - 11.0 x 8.2 and 10.9 - 11.0 x 8.0mm and are natural saltwater pearls with no indications of treatment.