
with their stupid
DIAMOND saw.
The Big Bang Theory Season 12, Episode 14

Gaiman, and Diamond.
The Big Bang Theory Season 11, Episode 16

He gave her a pair of DIAMOND
earrings and leased her a car.
The Big Bang Theory Season 5, Episode 4

There's a Neil Diamond
concert next month!
The Big Bang Theory Season 7, Episode 3

...that repurposes DIAMOND drill bits.
The Big Bang Theory Season 8, Episode 23