Art Deco Engagement Ring, Old Euro 1.41ct

Centering an Old European cut diamond weighing app. 1.41ct. (HI color, VS2 clarity), in a square mount flanked by four pear shaped onyx measuring app. 2.0 x 1.0mm and twelve Single cut diamonds weighing app. 0.34ctw., with engraved shoulders, fashioned in platinum. Unidentified maker's mark. Circa 1935. Size 6.5 EGL-US66534501D