Centering an Old European cut diamond weighing app. 1.63ct. (H-I color, SI3 clarity), framed by calibre cut rubies* measuring app. 1.0mm and Single cut diamonds sides weighing app. 0.06ctw., fashioned in 18k & platinum. Circa 1910. Size 7.25EGL US69960003*Stones are assumed to be simulants or synthetic as was typical in jewelry of this style/era.