With all your prep missions completed, it's time for the Diamond Casino Heist finale using The Big Con approach.

Our guide will walk you through every step, from selecting your final options on the prep board to infiltrating the casino, looting the vault, and making a clean getaway. We also cover various mechanic updates that Rockstar Games' has implemented since first releasing the heists to ensure that you're prepared for its current state.

Before we begin with the heist, let's go over the final preparation board.

Final Prep Board

  • Entrance: For entrance you need to choose the SECURITY TUNNEL.
  • Entry Disguise: Your entrance disguise will be GRUPPE SECHS. (See how to acquire this disguise here).
  • Exit: You need to choose the STAFF LOBBY as your exit.
  • Exit Disguise: Make sure you choose the NOOSE outfit as your exit disguise. (See how to acquire this disguise here).
  • Buyer: Choosing the buyer is completely up to you. However, for better profit, it is recommended that you chose a 'High Level' buyer.
  • Clean Vehicle: You do not need to buy this.
  • Gunman Decoy: You do not need to buy this.
Final prep board showing the optimal strategy.