René Boivin Natural Pearl Ring
A French platinum ring set with diamonds and a natural pearl by René Boivin.
The natural saltwater button-shaped pearl is shouldered by six old-cut diamonds weighing approximately 0.05 carats in total. With French assay marks for platinum and a puncheon for Societé Boivin. Circa 1910
The natural pearl is accompanied by a certificate from the Gem & Pearl Laboratory.