Belle Époque Platinum, Diamond and Natural Pearl Bow Corsage Brooch The delicate articulated long bow of pierced garland design, set throughout with old European, old-mine and old-mine single-cut diamonds ap. 12.35 cts., suspending one drop-shaped pearl ap. 8.32 x 7.92 mm., circa 1910, ap. 15.5 dwts. With GIA report no. 5211843189 stating natural, saltwater, no indication of treatment. C From the Estate of a Multi-Generational Family of Chicago and Montecito