Antique Diamond Brooch with Pendant Bale

14K yellow gold antique diamond brooch with nine diamonds of approx. 1.28 carat total weight; the center diamond is approx. .28 carat. The brooch weighs 6.4 grams and measures 1" in diameter. There is a bale on the reverse through which to slide a chain, so it can also be worn as a pendant. Circa 1940s.