Art Deco Filigree Diamond Wide Band Ring

Measuring approx.13.6mm wide, centering four Old European cut diamonds weighing approx. 0.64ctw., additionally set with four Old European cut diamonds weighing approx. 0.50ctw., and four Single cut diamonds weighing approx. 0.20ctw., fashioned in platinum. Circa 1930. Size 6 1/4.