Vintage Rose Quartz, Nephite Jade, and Ruby Flower brooch in 18 karat yellow gold circa 1950

Beautiful mid-century flower brooch dating from the 1950s. The flower on this lovely feminine brooch has frosted pink petals carved from rose quartz. The center has a single round ruby and the leaves are carved from nephrite jade. It is beautifully and meticulously constructed in 18 karat gold, and featuring exceptional detail to the carved stone elements. Measures approx. 2" x 1" Stamped "750"