Art Deco Diamond Dinner Ring

Measuring approx. 23mm wide, centering an Old European cut diamond weighing approx. 0.75ct., flanked by two Old European cut diamonds weighing approx. 0.30ctw. Additionally set with twenty-eight round diamonds (Old European, Swiss, and Single cut) weighing approx. 0.50ctw., and six calibré cut sapphires*, fashioned in platinum. Size 7 1/4. Circa 1925. *Stones are assumed to be simulants or synthetic, as was typical in jewelry of this style/era.