Six duelists entered Diamond Quest XXXVII, including: Matt Simon, Ria Graziano, Tarl Cabot, Harris d'Artainian, Chris Graziano, and Kheldar Drasinia.

Fought in a round-robin format, Kheldar Drasinia came out the big winner to claim the title of Diamond.

Also at stake in this event was the Green Opal, aka PathFinder. Ria won the Opal after Harris refused to fight her hologram a second time.

The tourney was officiated by Tareth Thorn.