A beautiful antique diamond plaque brooch. Platinum, handcrafted, indistinct makers mark to outer edge rail, circa 1910, crafted as a beautiful scalloped tri panel plaque, featuring a central quality old cut diamond of approximately 1.10ct, bezel set, flanked by a cluster frame of further smaller individual diamonds within a mesh like frame, branching out to foliate sides with additional diamonds, completed with a final grain set frame of diamonds to surround, fitted with pin and safety catch. Length 5 cm A.T.D.W.: 5.00ct