Centering a Transitional Round Brilliant cut (Circular Brilliant) weighing 1.01ct. (G color, VVS2 color), in a four prong mounting set with 20 Single cut diamonds weighing app. 0.20ctw., in a stylized scroll design with engraved wheat pattern on shoulders, fashioned in platinum. Grogan Jewelers. Circa 1915. GIA 5172106297. Size 5.75.