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                                            AN ART DECO DIAMOND NECKLACE 
Suspending a bezel-set pear-shaped diamond, swinging within a graduated circular-cut diamond frame, from an openwork variously-cut diamond geometric panel, suspending two bezel-set marquise-cut diamonds, to the neckchain designed as a graduated series of circular-cut diamonds trimmed by smaller collet-set and baguette-cut diamond chains, joined by baguette and circular-cut diamond open links, to the collet-set and baguette-cut diamond triple backchain and circular-cut diamond clasp, mounted in platinum, circa 1925, 18 ins.
                                        
                                    Suspending a bezel-set pear-shaped diamond, swinging within a graduated circular-cut diamond frame, from an openwork variously-cut diamond geometric panel, suspending two bezel-set marquise-cut diamonds, to the neckchain designed as a graduated series of circular-cut diamonds trimmed by smaller collet-set and baguette-cut diamond chains, joined by baguette and circular-cut diamond open links, to the collet-set and baguette-cut diamond triple backchain and circular-cut diamond clasp, mounted in platinum, circa 1925, 18 ins.