Vintage Angel Mother Brooch w/ 3 Colored Stones, Pink/Blue/Green & Pearl

VTG Angel Mother Brooch w/ 3 Colored Stones, Pink/Blue/Green & Pearl Unknown if the pearl or any of the stones are authentic, I am assuming they are not. There are three pink, blue, and green stones, maybe birthstones. Out actual photos are provided of the piece. Searches for this piece turned up nothing for us No identifiable markings that I could find on this broach