Centering an Old European cut diamond weighing app. 0.61ct. (H-I color, VVS2 clarity), in a four prong setting, framed and flanked by twelve Old European cut diamonds weighing app. 0.79ctw., in a round, filigree mounting, with engraved band, fashioned in platinum. EGL-US313931501D Circa 1920. Size 6.25.