Edwardian Diamond, Sapphire, Platinum Pendant Enhancer Brooch. Centering one old European-cut diamond weighing approximately 1.20 ct., flanked by two old European-cut diamonds weighing approximately 0.77 ct. and 0.70 ct., accented by one hundred and thirty-nine old European-cut and single-cut diamonds weighing a total of approximately 4.35 cttw., further enhanced by sixty-nine French-cut sapphires, set in a platinum oval shaped mounting with removable pendant bail and measuring approximately 27 x 43 mm. Total diamond weight for the brooch is approximately 7.02 cttw. {Gross Weight: 11.4 dwts} Provenance: From a private New York collection. Note: One sapphire missing.