The Klopman Diamond is a legendary diamond said to have a curse on it.

It was best known for being a running gag in Garfield and Friends, first referenced to by a cellmate in the U.S. Acres episode "Wanted: Wade".


Garfield and Friends

Season 1

Season 2

Season 3

Season 7


  • The joke was referenced in Garfield's Pet Force as The Klopman Crystal, a powerful diamond Vetvix was after.
  • In a few episodes of The Garfield Show, Garfield watches a documentary named Who Stole The Klopman Diamond.

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