Vintage Diamond Engagement Ring, TRB 0.90ct

Centering a Transitional Round Brilliant cut diamond weighing app. 0.90ct. (H-I color, VS2 color) in a square mount, framed and flanked by fourteen, bead set Single cut diamonds weighing app. 0.23ctw., in a rounded east west design, fashioned in platinum. Circa 1940. Size 7EGL US312292601D