Centering a Transitional Round Brilliant cut diamond weighing app. 1.11ct. (G-H color, VS1 clarity) in a four prong mount, flanked by six bead set Single cut diamonds weighing app. 0.09ctw., fashioned in platinum. J. & L. Hartzberg - New York, NY. Circa 1955. Size 6.25EGL-US311069601D