Vintage Gold, Sapphire and Diamond Flower Brooch

Designed as a flower, set with round shaped sapphires, and transitional cut diamonds.Sapphires weighing a total of approximately 3.50 caratsDiamonds weighing a total of approximately 1.80 caratsMaker's mark for René BoivinFrench assay marks18 karat yellow goldCirca 1950sTotal weight 29.91 gramsLength 1⅞ inches, width 1 9⁄16 inchesAccompanied by one Sotheby's boxAccompanied by a certificate of authenticity stating that the piece is manufactured by Réne Boivin circa 1950 after a drawing by Juliette Moutard