Players often search for how to do The Diamond Casino Heist in GTA 5 Online, and for good reason. Since the heist's debut in 2019, it has remained one of the best ways to make money. However, unlocking it can be a bit unintuitive. While long-time players may already know how to access it, the heist is not readily available to everyone.
To help everyone, here's a simple step-by-step brief guide on how to start Diamond Casino Heist in 2025:
- Meet Lester Crest at Mirror Park
- Purchase an Arcade
- Do the setup and preparation missions for the heist
The rest of this article shares a more detailed guide on how to do The Diamond Casino Heist in GTA 5 Online, particularly for those who wish to host this heist.
How to do The Diamond Casino Heist in GTA 5 Online: It starts with Lester

When starting GTA 5 Online as a beginner, the players will receive a text from Lester Crest telling them to meet him at Mirror Park. Simply go to the "L" at Mirror Park and a cutscene will be initiated. You will see Georgina Cheng make her debut, and she will convince your in-game character and Lester to do The Diamond Casino Heist.
However, you are now tasked with purchasing an Arcade to use as a front for this big heist. To put it simply, buying this property is mandatory to start Diamond Casino Heist in GTA 5 Online, so you cannot skip this step if you plan to host the entire thing.
How to do The Diamond Casino Heist in GTA 5 Online: Buy the Arcade

First, you need to access the internet from an in-game laptop or smartphone. Then, go to floreclosures.maze-bank.com and look for Arcade locations. Your options are:
- Blaine County, Paleto Bay: $1,235,000
- Blaine County, Grapeseed: $1,565,000
- East Los Santos, La Mesa: $1,875,000
- South Los Santos, Davis: $2,135,000
- North Los Santos, Vinewood: $2,530,000
- North Los Santos, Rockford Hills: $2,345,000
The one in East Los Santos is the closest to the casino, but any of these Arcades is fine to purchase. Once you buy any of them, you need to go to the property and visit its basement.
There, you will find Lester Crest planning the heist. He will task you with a setup mission to get the Arcade all set up. After that's done, you can do the setup and preparation missions for this heist.
How to do The Diamond Casino Heist in GTA 5 Online: Starting the main thing (Useful tips)
Players should know by now how to start Diamond Casino Heist. Here are a few things to consider before initiating it:
- You can begin everything by using the heist planning board in the basement of the Arcade
- The setup and preparation missions can be done solo
- The actual heist requires 2~4 people
- There are three different approaches for the finale
- You don't have to do every preparation mission
- Setup costs $25,000
- Different primary targets pay different amounts of money
Final Verdict:
Knowing how to do The Diamond Casino Heist in GTA 5 Online is worth it. Meeting Lester Crest and then buying the Arcade property are some necessary steps that one must follow before doing the main thing, which isn't standard for most of the other heists. Despite the hassle, it's worth every money and time spent on it, and players should definitely try it at least once.