Art Deco Turquoise, sapphire and citrine pendant-necklace, Georges Fouquet, circa 1920

The pendant set with a large oval turquoise cabochon measuring approximately 42.0 by 24.7 mm., bordered by calibré-cut and round citrines and trefoils of cushion-shaped sapphires, mounted in platinum, on a black cord further decorated with a cabochon turquoise and rose-cut diamond slide, cord length 27 inches, maker's mark for Fouquet, numbered 112658 and 17087, assay mark.