Centering an Old European cut diamond weighing app. 1.28ct. (J color, SI2 clarity), in a square mount, flanked by two Transitional Round Brilliant cut diamonds weighing app. 0.12ctw. with tapered swag-like design on shoulders and pierced and engraved band, hand engraved with date "Dec 27-1927", fashioned in platinum. Size 6.25. GIA 1162307172