Good Jewelry Store in Chicago

So my parents are here visting from back home. I am taking them to Chicago this weekend. I want to buy my mom some nice jewelry. Any recommendation on a good jewlery store in Chicago?

There is a Tiffany's in every major city.

hmm, Gold or artificial. :confused:
If thinking gold buy from desi rather then american gold :disgust:

I was actually asking about gold from desi jewelry stores

there are plenty of places on Devon.