What is the most valuable piece of jewelry that you own?

Question

Answer 1

I have some loose rubies valued at $20,000.00...I don't yet know what I will make with them.

Answer 2

My Movado watch

Answer 3

My mother's ring.

Answer 4

I don't wear anything except my FitBit.  I haven't worn jewelry in years.  I probably still have a few random necklaces in a box somewhere, but nothing expensive.