Diamond coronet cluster ring, French, circa 1915. A platinum ring with oval openwork bezel set with a central cluster of nine round old cut diamonds in millegrain collet settings with an approximate total weight of 0.60 carats, encircled by an outer single row of twenty round eight cut diamonds in millegrain bead settings with an approximate total weight of 0.60 carats, above a scalloped openwork gallery, flanked by raised inward tapered shoulders supported by cheniers, on a flat shank, and with an approximate combined diamond weight of 1.20 carats.
