Estate Tiffany & Co. Schlumberger Ruby & Diamond Foliate Cluster Spray Brooch

Ruby and diamond foliate cluster spray brooch, the central cabochon-cut ruby weighing approximately 3.20 carats and the circular-cut and marquise-shaped diamonds weighing approximately 2.25 total carats, mounted in platinum and 18k yellow gold, made in France, circa 1970, signed "Tiffany Schlumberger." 1.5" length and 1.5" width.