Just wasnt a good idea to bring it.
Showing a picture would have been better. 
I heard it is in the Kremlin, displayed for all to see. 

Satosora

Kraft got a replacement one I doubt the Bush Admin paid for it directly but probably did something like invited him to some event that would easily have cost more

Cje95

Stacker_Sports

Patriots owner tells Putin: ‘Give me my f‑‑‑ing ring back’

I think the government made a ring for him to replace the one that was "gifted".
But he straight up stole it, and no one was man enough to say anything about it. 