Centering an Old European cut diamond weighing app. 0.51ct. (F-G color, SI1 clarity) in a four prong mount, flanked by a combination of Old European cut and Single cut diamonds all weighing app. 0.10ctw. in an open work, multi-navette setting, fashioned in platinum. Hand engraved with date "1926". Size 5.75EGL US310932701D
