GTA Online Diamond Casino Heist Big Con Guide

The Big Con approach offers the easiest entry into the Diamond Casino vault in GTA Online. Players disguise themselves as casino staff or maintenance workers to bypass most security checks. This route rewards quieter gameplay and higher take-home percentages when executed cleanly.

Choosing the Right Disguise

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Gruppe Sechs uniforms provide the simplest access. Purchase the outfit during the planning phase and equip it before entering the casino lobby. Avoid Maintenance disguises, which attract more guard attention.

Keycard Locations

Collect two keycards from two different rooftop guards. Use the elevator on the east side of the casino to reach the roof without triggering alarms. Timing your movement between patrol cycles is essential.

Vault Access and Loot

Pros

Once inside the vault, grab cash

Trade-offs

or artwork. Cash fills bags faster but

Once inside the vault, grab cash or artwork. Cash fills bags faster but pays less per stack. Artwork offers higher value yet requires more precise movements to avoid detection.