Centering a Transitional Round Brilliant cut (Circular Brilliant) weighing app. 1.06ct. (I color, SI1 clarity), in a square mount flanked by two triangular cut emeralds* measuring app. 2.3mm, additionally set with twelve Single cut diamonds weighing app. 0.18ctw., in a filigree design with engraved shoulders, fashioned in platinum. Circa 1930. Size 6GIA 2165571249*Stones are assumed to be simulants or synthetic as was typical in jewelry of this style/era.