Centering a Transitional Round Brilliant cut (Round Brilliant) weighing app. 1.17ct. (E color, VVS2 clarity), flanked and framed by two Baguette cut and 22 Single cut diamonds all weighing app. 0.33ctw., in a high, filigree design, fashioned in platinum. Hand engraved with date "Oct. 15 -1926". GIA 1162076707. Size 6.25.