Centering a Transitional Round Brilliant cut diamond weighing app. 0.53ct. (F-G color, VS2 clarity) in a square, fishtail mounting, flanked by six Single cut diamonds weighing app. 0.10ctw. in channel settings with millegrain edges, fashioned in platinum. Traub - Orange Blossom. Circa 1940 Size 6EGL US310176802