Centering a Transitional Round Brilliant cut diamond weighing app. 3.00ct. (IJ color, VS2 clarity), set with a combination of Old European cut, Round Brilliant cut & Single cut diamonds (46 total) all weighing app. 1.30ctw., in an open, flame-like design, fashioned in platinum. Circa 1940. EGL-US50444901D. Size 6.5.