Art Deco Filigree Diamond Pendant on Diamond Chain

With a filigree pendant centering an Old European cut diamond weighing approx. 0.65ct., flanked by two bezel set diamonds weighing approx. 0.30ctw., in an openwork frame set with numerous Rose cut diamonds ranging in size from 1-3mm., fashioned in platinum. On a chain set with diamonds weighing approx. 2.20ctw., fashioned in platinum. Length 17 inches.