This versatile diamond brooch, circa 1910, is a stunning piece of antique jewelry that can also be worn as a pendant. It features an impressive array of 64 diamonds totaling approximately 3.20 carats that are complemented by 10 blue sapphires with a total weight of about 0.25 carats. The brooch is crafted from platinum and measures 52.3 x 22.5 mm, making it a substantial yet elegant addition to any luxury collection.