Centering a Transitional Round Brilliant cut diamond weighing app. 0.10ct., framed and flanked by sixteen Single cut diamonds weighing app. 0.23ctw. and an outer row of calibre cut rubies* measuring app. 1.5 - 2.0mm, fashioned in platinum. Circa 1920. Size 3.5*All stones are assumed to be simulants or synthetic as was typical of the style/era.