This vintage Art Deco ring, circa 1920, features a rectangular diamond cluster with truncated edges and a raised central collet. An old cut round diamond of approximately 0.50 carats is surrounded by sixteen old cut diamonds totaling approximately 0.75 carats, for an approximate total diamond weight of 1.25 carats. Crafted in platinum marked platinum and iridium, it showcases intricately pierced openwork, decorative engraving, and a linear gallery with shaped backholing. Ring size is US 4 and it can be resized.