Brooches are definitly trending according to some websites. Go to a thrift store in a wealthy area or a consignment store. You can find beautiful vintage pins and brooches from the 50s on.
I volunteer at a thrift store and we get so many lovely pins and brooches, mostly vintage and beautiful! I ware several at one time and on a blue jean jacket I wear a lot. A good way to wear a large Brooch is to pin it at the top of a shirt/blouse as if you are holding the two sides together. I think pins make an outfit seem finishedl