My ex gave me some small emerald earrings our last Xmas together (when we knew he would be leaving). I never could wear those "guilt" earrings, gave them away to an acquaintance.
Luckily most of the rest of my jewelry was not expensive. I do have a gold bracelet I might melt down for some other purpose someday. All the costume stuff I got rid of.
The crazy ex boyfriend did give me a couple of pieces of costume jewelry that I like and will continue to wear, although I don't wear them much right now because I don't want to be reminded.