This move brings diamonds back in the Casino heist rewards with a higher spawn rate than before. There should be new and rarer diamonds up for grabs, as well. Don’t miss the new car Coquette D10 is the new vehicle that has landed on the Casino podium, meaning that it’s up for grabs within the Lucky Wheel. This guide is a complete walkthrough of the Silent & Sneaky approach to the Diamond Casino Heist. Our Big Con approach guide is here and our Aggressive guide can be found here.Make sure you also check out how to unlock the elite hacker Avi Schwartzman for more time in the vault, our payout guide, and also the POI and access point guide.

The Diamond Casino Heist is a new heist job in GTA Online's Diamond Casino and Resort update. The casino heist is by far the most complicated heist GTA Online players have seen, but it offers some good ways to make a lot of money along the way.

If you don't know how to start the Casino Heist or if you are stuck on one of the missions, our walkthrough on how to complete this job in GTA Online is outlined below.

Step 1: Buy an Arcade

Click to enlarge

Before you can start The Diamond Casino Heist in GTA Online, you need to purchase one of the six possible retro arcades in the game. You must talk to Lester in Mirror Park to access the arcades.

After you talk to Lester and the six arcade locations appear on the map, you can use the Maze Bank Foreclosures store webpage on your mobile phone to purchase one of the arcade locations.

Here are all the locations and their prices. The best arcades are located in the city.

• Pixel Pete’s
  • Price: $1,235,000
  • Location: Paleto Bay
• Wonderama
  • Price: $1,565,000
  • Location: Grapeseed
• Videogeddon
  • Price: $1,875,000
  • Location: La Mesa
• Warehouse
  • Price: $2,135,000
  • Location: Davis
• Insert Coin
  • Price: $2,345,000
  • Location: Rockford Hills
• Eight Bit
  • Price: $2,530,000
  • Location: Vinewood

Step 2: Set Up Your Heist

Once you have your arcade location up and running, you can enter Lester's underground base, where you will gain access to three blackboards. Use these blackboards to manage your heist.

The three blackboards represent the three following stages of the heist:

• The Set Up
• The Prep
• The Heist

The first blackboard is dedicated to helping you set up your heist. You will see the 'To Do' list in the upper right corner, which is a list of actions you must perform before the actual heist.

You can also choose to do the optional list of tasks, but you will have to pay for all of the intelligence associated with them, so we'll just focus on the main missions.

Scope Out Casino

This is the first task you need to complete. To make things easier, it is advisable to purchase the two extras from the setup board:

• Casino Model
  • Price: $130,000
• Door Security
  • Price: $425,000

These two pieces of intelligence will help you to find all of the safest entry points into the casino.

Scope Out Vault Contents

After you arrive at the casino and find the vault, you can scope it out for four types of valuables:

• Cash
  • Price: $2,115,000
• Artwork
  • Price: $2,350,000
• Gold
  • Price: $2,585,000
• Diamonds
  • Price: $3,290,000

You can only choose one of the four options, and they are random. The best loot you can get from the vault is diamonds, which cost over $3 million. The least profitable is cash. So if you happen to get the case with diamonds, then select it and mark it on your blackboard.

Select Approach

The final part of the setup is selecting one of the three available approaches:

• Silent and Sneaky
• The Big Con
• Aggressive

All three approaches offer different types of gameplay. Silent and Sneaky is obviously a stealth plan; The Big Con uses tricks and disguises; and Aggressive offers a full-on guns blazing robbery.

It doesn't matter which approach you choose, as they all lead to the same results. Choose the style that fits your personal taste the most.

Step 3: Prep Your Heist

This stage of the heist requires the most time and money. This stage is where you hire your crew of NPCs, select disguises, vehicles, and other necessary items from the 'To Do' list.

Support Crew

In this first section, you can choose three possible crewmen for the heist:

• Gunman
• Driver
• Hacker

All three categories offer different skills, but these also come with varying prices. Whenever you choose a crewman, it will show you their cut in percentages. Obviously, the higher the skill, the higher the cut.

In this case, it is strongly recommended that you take all three Expert level crewmen, where each will take 9% of your heist earnings. It's a lot of money to give away, but you will have the highest quality weapons and vehicles during the heist.

The To-Do List

After you have chosen your team, you can start the six main prep missions. In each of these missions, you need to select which item types you wish to steal.

Below you will find the best choices for the prep missions:

• Rifle Loadout
  • Unmarked Weapons
• Sultan Classic
  • Getaway Vehicles
• Gruppe Sechs
  • Entry Disguise
• Noose Gear
  • Exit Disguise

During the Getaway Vehicles mission, you will also have the choice to upgrade your vehicles. You can buy bulletproof tires for $25,000, which will make the getaway section easier.

Step 4: Start the Diamond Casino Heist

You will be offered a chance to choose your buyer and get some extra help on the third blackboard.

Choose Buyer

Buyers have three levels: low, middle, and high. Always go for the high-level buyer. They will offer the most amount of money. The heist will be more difficult, but if you've done your prep correctly, and spent cash on the right things, then you should be fine.

Also buy a Clean Vehicle and Gunman Decoy for $50,000 if you can.

Starting the Mission

If you've selected the Gruppe Sechs entrance disguise and The Big Con approach, then you will start the heist mission in an armored truck, which is the best for this mission.

Here's how to get through the entire heist easily:

Diamond Casino Heist Rewards

1. Enter the underground garage of the casino
2. Take the elevator to the vault
3. Run past all the guards without killing them
4. Use the vault keycard
5. Let the casino worker open the vault for you
6. Get the loot
7. Exit the vault floor through the staircase
8. Change the disguise in the locker room (Noose)
9. Exit the casino through the staff door

When you're outside the casino, you can safely deliver the vault contents to your buyer.

Finish the Mission

The only problem you might run into during this final stage of the heist is the chasing helicopter. Steal any car you see and use it to deliver the loot (if you didn't purchase the Clean Vehicle option ahead of time).

If cops start chasing you, use the underground sewer system to get away from them and stay undetected. Follow the marker on the map to your buyer's location.

When you've reached the buyer location, the mission ends with a cutscene, and you get your money reward.

Casino Heist Diamonds

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That's it on how to complete the Diamond Casino Heist job in GTA Online. For more GTA Online guides, check out the list below: