
Yeah. See Bernie's
ENGAGEMENT ring?
The Big Bang Theory Season 7, Episode 7

When did you get an ENGAGEMENT ring?
The Big Bang Theory Season 9, Episode 14

I've never seen her wear an ENGAGEMENT ring.
The Big Bang Theory Season 8, Episode 7

You have an ENGAGEMENT ring?
The Big Bang Theory Season 9, Episode 14

to buy her
ENGAGEMENT ring.
The Big Bang Theory Season 12, Episode 4