A SAPPHIRE BEAD, DIAMOND AND GOLD RING, BY RENE BOIVIN

A SAPPHIRE BEAD, DIAMOND AND GOLD RING, BY RENE BOIVIN
Centering upon a convex circular-cut diamond and gold cone, the base surrounded by a sapphire bead fringe, to the collet-set diamond and 18k gold beadwork hoop, circa 1950, size 4½, with French assay marks
With maker's mark for Davière for René Boivin