framed by four Round Single cut diamonds weighing approx

**Some enamel missing

1 1/16 x 11/16 inch

18k yellow gold  contemporary chain

Edwardian Diamond Engagement Ring, TRB 2.14ct unique vintage rings framed by four Round SingleCentering a prong set Transitional Round Brilliant cut diamond weighing approx. 2. 14ct. (H I color, VS1 clarity), framed by four Round Single cut diamonds weighing approx. 0. 02ct., and flanked by six graduating Transitional Round Brilliant cut diamonds weighing approx. 0. 18ctw. Open gallery with engraved basket style mounting and shoulders with millegrain accents. Fashioned in platinum. Circa 1915. Size 7. EGL US313374302D This authentic antique