Last updated: 3 July 2026

GTA Online Diamond Casino Heist Guide — Approaches, Crew & Maximum Payout

The Diamond Casino Heist is the most intricate and highest-paying crew heist in GTA Online, with a normal-mode maximum vault take of $3.29M when diamonds are in rotation (or $3.619M on a hard mode run — see below). Unlike the Cayo Perico Heist, it requires 2–4 players, three distinct approaches (each with unique entry points and prep missions), a support crew of hired specialists, and a scoping phase that directly determines which tactics are available in the finale. This guide covers the full process: Arcade setup, casino scope, all three approaches and their disguises, crew selection and cut optimisation, vault content payouts, and tips for the most efficient money-per-hour.

01Prerequisites: The Arcade

The Diamond Casino Heist uses an Arcade as its planning base — you need to own one before you can launch any prep missions. Arcades are purchased through the Maze Bank Foreclosures website on your in-game phone.

Arcade prices vary by location. The cheapest option is Pixel Pete's in Paleto Bay at approximately $1,235,000. The most expensive Arcades run up to around $2,530,000 in central Los Santos locations. For pure heist use, location matters little — the planning board inside is identical at every Arcade.

Each heist attempt also requires a $25,000 setup fee paid to Lester before prep missions unlock for that run. Factor this into your per-run net earnings.

Once you own an Arcade, speak to Lester inside to trigger the introductory cutscene. From that point, the planning board on the Arcade's basement wall is where you initiate all scope, prep, and finale missions.

One important restriction: you cannot use the same approach twice in a row. After running Silent & Sneaky, your next run must be either The Big Con or Aggressive. Plan accordingly so you are not caught off-guard after a completed run.

02Scoping the Casino

Before any prep missions unlock, you must complete the mandatory Scope Out mission: enter the Diamond Casino & Resort as a regular visitor and photograph specific Points of Interest using your phone camera.

Photographing access points unlocks them as potential entry and exit routes in the finale. The more access points you photograph, the more flexibility your crew has during the heist. Key access points to find:

• Main Entrance: The front doors. Always available — photograph it to confirm.
• Staff Lobby: Side entrance used by employees. Unlocks a useful non-alerted entry for several disguise options.
• Roof Terrace: Reached from the rear of the building, leading to a rooftop entrance. Useful for aerial insertions.
• Tunnel Entrance: An underground service tunnel. Available as both an entry and exit; particularly useful in The Big Con disguise runs.
• Sewer Tunnel: Located near the river past the racetrack, across from the casino. A discreet entry option.
• Security Office: Photographing this location reveals security camera blind spots and guard rotation timings on the casino floor.

Beyond access points, photograph the vault contents window from the security office area — this tells you what is in the vault for this heist cycle (cash, artwork, gold, or diamonds), which directly determines your maximum payout. Also photograph the guard patrols and security camera locations on each floor.

The scope-out is not timed and carries no risk — guards will simply ask you to leave certain restricted areas rather than shooting you. Spend time photographing every Point of Interest you can find; each one removes prep mission requirements or unlocks additional options.

03The Three Approaches: Overview

After scoping, you choose one of three approaches. Each has a different infiltration method, disguise set, mandatory preps, and risk profile:

The Big Con is widely considered the best approach for most player groups: the disguise entry is forgiving, the exit disguise (NOOSE uniform) works reliably even after the alarm triggers, and the payout stays close to maximum. Silent & Sneaky is optimal for experienced crews that can maintain perfect stealth. Aggressive is the easiest to understand but carries a mandatory loot penalty because you access the vault under alert conditions, reducing your hacker's vault time significantly.

04Choosing and Assembling Your Crew

After selecting an approach, you choose a Hacker, a Gunman, and a Driver from a roster of available NPCs. Each specialist takes a percentage cut from the final take — these cuts come out before the remaining money is split between players.

The hacker is the most critical choice because they determine how long your crew has inside the vault:

• Rickie Lukens (3% cut): The cheapest hacker. Gives 2 min 26 sec undetected, 1 min 45 sec if detected. Not recommended — the time is too tight to fill your bags properly.
• Yohan Blair (5% cut): Gives 2 min 52 sec undetected, 2 min 1 sec detected. Requires owning a Nightclub to unlock. Acceptable mid-tier choice.
• Christian Feltz (7% cut): Gives 3 min 00 sec undetected, 2 min 5 sec detected. No unlock requirement. Solid choice if you do not have access to Paige.
• Paige Harris (9% cut): Gives 3 min 25 sec undetected, 2 min 23 sec detected. Requires owning the Terrorbyte. The best option for most players — near-maximum time at one percent less than Avi.
• Avi Schwartzman (10% cut): Gives 3 min 30 sec undetected, 2 min 26 sec detected. The best vault time available, but requires destroying all 50 Signal Jammers across the map to unlock. Worth it only if you have already completed that grind.

For Gunman and Driver, the cheapest competent options minimise your total crew cost:

• Karl Abolaji (5% cut) — Gunman: Provides serviceable weapons. Adequate for Big Con and Silent & Sneaky runs where combat is minimal.
• Karim Denz (5% cut) — Driver: Provides standard getaway vehicles. Works fine for most exit types. Upgrade only if you are specifically running a vehicle-dependent exit under heavy police pressure.

Lester also takes a flat 5% from the total take on top of crew cuts. The formula: Total Take × (1 − 0.05 − hacker% − gunman% − driver%) = player share pool, which is then split equally between all players in the finale.

05Mandatory Prep Missions

All three approaches share two mandatory prep missions that are always required:

• Vault Keycards: Steal two keycards that open the mantrap doors leading to the vault area. These are found at two different enemy locations across the map — the mission sends you to both sequentially. Without both keycards, you cannot pass through the mantrap.
• Vault Drills: Steal two vault drills that the crew uses to bore through the vault door during the finale. This is a two-part mission with drills held at guarded enemy locations. The drills determine how quickly your crew can open the vault once inside.

Beyond these two, each approach requires its own specific prep missions:

• Silent & Sneaky exclusive: EMP Device (to disable power and cameras) and a Guard Equipment steal (suppressors and guard outfits). These preps are more demanding than Big Con equivalents.
• Big Con exclusive: Entry disguise preps (e.g., stealing a Gruppe Sechs uniform, a Bugstars van, or LSDWP maintenance gear), plus an optional NOOSE exit uniform prep which is strongly recommended.
• Aggressive exclusive: Heavy Weapons steal for a better gunman loadout. Fewer preps overall, but the approach itself is more demanding during the finale.

Additional optional preps — such as Security Pass upgrades (Level 1 → Level 2 reduces mantrap wait time), Getaway Vehicles, and Duggan Shipments (destroying these weakens Aggressive guards) — can meaningfully improve your finale. For Big Con and Silent & Sneaky, the Security Pass Level 2 prep is particularly valuable; it reduces how long your crew waits at each security door inside the casino.

06The Big Con: Entry Disguises and Exit Strategy

The Big Con revolves around walking into the casino disguised as someone with legitimate business there. Four entry disguise options exist — the one available depends on which preps you completed:

• Gruppe Sechs (recommended): The crew boards a Stockade armoured truck and enters via the security access door near the Vinewood Racetrack. Guards wave the truck through without question. Requires scoping the security tunnel during the scope mission.
• Bugstars: The crew disguises as pest control workers and arrives in a Bugstars van. Enter through the staff entrance. A reliable option if you prefer not to scope the security tunnel.
• Maintenance (LSDWP): Disguised as water utility workers in a boxville. Enters through the staff lobby. Less common but functional.
• Yung Ancestor: Disguised as entourage for the celebrity Yung Ancestor. Requires completing the 'Dead Weight' and 'After Party' prep missions and having encountered the character in the scope. The most unique and cinematic entry, but requires extra prep steps.

Once inside, your crew navigates to the vault using the casino floor and back corridors. Guards will not challenge you while your disguise holds — but if you are caught in a restricted area without permission or you draw a weapon, the disguise burns and the alarm triggers.

The exit disguise is equally important. Completing the NOOSE Outfits prep (stealing police uniforms from a station) unlocks the exit: after looting the vault and leaving, your crew puts on NOOSE outfits and walks out through the main entrance past arriving police. It is the cleanest Big Con exit — guards stand aside for law enforcement, so you avoid a full gunfight on the way out. The NOOSE prep is technically optional but strongly recommended.

If you skip the NOOSE exit and must fight your way out, expect heavy police resistance at all exit points. A well-executed Gruppe Sechs entry + NOOSE exit run keeps the finale calm and fast.

07Silent & Sneaky: Maintaining Stealth to the Vault

Silent & Sneaky is the most mechanically demanding approach — the entire finale must stay below the alarm threshold or your vault time collapses from the hacker's full undetected window to the significantly shorter detected time.

Key rules for staying undetected:

• Use suppressed weapons for all guard takedowns. The prep mission provides suppressors if you select the right weapon loadout. Any unsuppressed shot triggers an alert.
• Hide downed guards in out-of-sight positions. If another guard or a camera detects a downed colleague, the alarm escalates. Drag bodies behind counters, into alcoves, or through doors.
• Disable cameras — either through the EMP Device prep (which temporarily blinds all cameras at once) or by having a crew member access security terminals and loop camera feeds. The EMP is the more reliable option.
• Do not enter the vault without both vault keycards in the mantrap. The mantrap door sequence is a vulnerability — ensure both keycards are confirmed before queuing up.

If the alarm triggers, stay in cover and neutralise threats quickly. Your priority is reaching the vault and looting as much as possible within the reduced time window before retreating. A clean getaway is still possible after an alert triggers — you just collect less loot due to the shortened vault time.

08Vault Contents and Maximum Payouts

The vault's contents are set when you complete the scope-out and photograph the vault window. The contents do not change mid-run — what you see in the scope is what you steal in the finale. Maximum payout values per vault type (cross-check the GTA Online Newswire or official wiki for your current version, as Rockstar adjusts values with updates):

• Diamonds (~$3,290,000 max on a normal run; ~$3,619,000 on hard mode): The rarest and most valuable vault contents. Diamonds are only available during specific in-game event periods — they do not appear in every heist cycle. Hard mode (triggered by the approach rotation — see Hard Mode section) adds a 10% bonus across all vault types. When diamonds are in the vault, prioritise running the heist immediately.
• Gold (~$2,585,000 max): The best consistently available vault type. Gold stacks are heavy (each takes significant bag space), so a large crew filling multiple bags collects more total gold than a minimum two-player team.
• Artwork (~$2,350,000 max): Paintings and sculptures have variable individual values — some pieces are worth significantly more than others. The scope-out reveals which artworks are present. Prioritise the highest-value pieces if your bag space is limited.
• Cash (~$2,115,000 max): The most common vault type and the lowest maximum payout. Cash is easy to grab quickly but gives the smallest ceiling for your take.

The figures above are gross maximum takes before cuts. You will rarely collect the full maximum — vault time limits how much you can carry, and not every run fills the bags completely. Gold and artwork runs particularly benefit from having all four players present to maximise total loot collected per run.

09How Payouts Are Split

The Diamond Casino Heist payout calculation works differently from the classic heists. Here is the sequence:

1. Lester takes 5% of the total vault take off the top.
2. Crew NPC cuts are then deducted from the remaining amount (hacker %, gunman %, driver %).
3. The remaining amount is split equally between all player characters who completed the finale.

Example with Paige (9%), Karl Abolaji (5%), Karim Denz (5%), and a gold vault take of $2,000,000 split across 2 players: Total NPC deductions = 5% (Lester) + 9% + 5% + 5% = 24%. Player pool = $2,000,000 × 0.76 = $1,520,000. Split two ways = $760,000 per player.

To maximise each player's net earnings:

• Keep crew cuts as low as possible. Paige (9%) + Karl (5%) + Karim (5%) = 19% total crew cost is a realistic optimised baseline. Avi Schwartzman at 10% instead of Paige adds only 1% more but gives 5 extra seconds of vault time — worth it if your crew needs those extra seconds to fill gold bags.
• Do not split the heist between too many players if the vault value is low. A cash vault split four ways after cuts can yield as little as $350,000–$400,000 per player — better to run Cayo Perico solo for the equivalent or greater return.
• Gold and diamond vaults benefit most from four-player runs because total loot collected scales with how many bags are filled simultaneously.

10Hard Mode and Replay Cooldown

The Diamond Casino Heist has its own hard mode, but it is triggered automatically — not by a toggle. When an approach becomes available again after being cycled out, it appears on the planning board with a skull icon, indicating a hard mode run that pays 10% more on all vault contents (e.g. diamonds go from ~$3.29M to ~$3.619M, gold from ~$2.585M to ~$2.843M). Hard mode is simply part of natural rotation. After completing the heist finale, a short cooldown (approximately 48 minutes) applies before you can begin prep missions again. Since you also cannot repeat the same approach back-to-back, you naturally alternate between two approaches across consecutive runs.

Efficient long-session grinding typically alternates between Silent & Sneaky and The Big Con — both preserve maximum vault time (no loot penalty from alert state), and switching between them satisfies the no-repeat rule automatically.

The Elite Challenge pays an additional bonus on top of the standard take. Conditions must all be met in the same run:

• Complete the heist within a set time limit (varies by approach — roughly 15 minutes for most).
• Finish with all players alive.
• Meet the approach-specific stealth or combat objective: no detection for Silent & Sneaky (plus zero hacks failed) and The Big Con; 80 headshots for Aggressive.
• The bonus is $50,000 on normal difficulty and $100,000 on hard difficulty.

11Tips to Maximise Your Take Every Run

Practical tips that experienced players use to push the Diamond Casino Heist payout as high as possible:

• Scope as much as possible on your first visit. Photograph all access points, the vault interior, the security office, and guard patrol patterns. More POIs photographed = more options and fewer mandatory preps in later runs.
• Always complete the Security Pass Level 2 prep. It reduces mantrap wait time inside the casino, which directly saves seconds of your hacker's vault time on every run.
• Do the NOOSE exit prep for Big Con. The 15–20 minutes it takes to steal the uniforms is returned many times over in a cleaner, faster exit on every run that uses it.
• Check what is in the vault before committing to a run. If it is a cash vault and your group is four players, the per-player payout after cuts may not justify the time. Consider whether waiting for a gold or artwork vault cycle improves your hourly earnings.
• When diamonds appear, run immediately. Diamonds are time-limited and add roughly $1M to the gross take versus gold. No other single factor in the heist improves your payout more dramatically.
• Use Paige Harris unless you have completed the 50 Jammer grind. The extra 5 seconds from Avi Schwartzman rarely justifies the 1% additional cut for most crew compositions — Paige at 9% is the optimal value point.
• Keep the gunman and driver at 5% each. Karl Abolaji and Karim Denz are adequate for Big Con and Silent & Sneaky runs where the finale is not primarily combat-dependent. Upgrading them costs you real payout percentage for marginal quality-of-life improvements.