Diamond Boost

Diamond Boost Slot Overview

RTP, Volatility & Math Model

The published RTP configurations are 94%, 94.00%, and 95.95%. AGS rates Diamond Boost as a medium-low volatility game. Wins can be scarce, and dry spells are long and punishing. That's an exceptionally high ceiling, but reaching it depends entirely on triggering and then capitalizing on the game's singular special feature. This is a math model built for players who are comfortable betting through extended dead spins for a shot at a single, massive transformation.

Game Features & Mechanics

Diamond Boost is played on a 3x3 grid with 9 paylines. The symbols are all classic slot icons: red 7s, single/double/triple bars, bells, and cherries. There's no wild symbol. The entire game hinges on one special symbol: the Diamond.

When a Diamond symbol lands, it doesn't pay on its own. Instead, it triggers the "Boost" feature. Here's how it works:

• The Diamond symbol locks in place.


• You are awarded three re-spins. The counter resets to three with each new Diamond that lands.


• Every Diamond that lands has a random cash value or multiplier attached to it.


• When the re-spins end, the values on all collected Diamonds are added together into one total win.

If you manage to fill the entire 15-position grid with Diamond symbols, each carrying a high multiplier, the resulting payout can be astronomical. The tension during the re-spins is genuine—each spin could add another Diamond or end the feature. My criticism is that outside of this feature, the base game is incredibly bare-bones. There are no other bonuses, no free spins, and no way to trigger the Diamond feature besides pure chance on any spin. You can go hundreds of spins without seeing a single Diamond, which makes the core gameplay loop feel repetitive and unrewarding.

Visual Design & Theme

AGS has gone for a stark, almost minimalist look with Diamond Boost. The backdrop is a simple dark purple, and the reels are set in a clean, unadorned frame. The symbols are brightly colored but very basic in their cartoonish design. The sound effects are equally simplistic: standard reel spins, clunks for wins, and a generic rising tone during the Diamond feature. There's no thematic immersion here—no story, no characters. It’s purely a numbers game dressed in the most basic visual package possible. For some players, this no-nonsense aesthetic will be a plus, as it doesn't distract from the mechanic. For others, it will feel cheap and underwhelming, especially compared to the cinematic slots from other providers. The audio can get grating during a long session, as there's very little variety.

Who Should Play Diamond Boost?

It's absolutely for high-volatility purists who enjoy a brutal grind with the promise of a lottery-style payout. If you like games where the base game is essentially a waiting room for one massive feature, and you have the balance to withstand the variance, Diamond Boost offers a clear and compelling objective. The bet range runs from $0.05 up to $360.

You should avoid Diamond Boost if you need frequent small wins to stay engaged, if you enjoy complex bonus rounds with interactive elements, or if you value strong themes and production quality in your slots. The complete lack of features outside the Diamond collection will bore most casual players to tears. This is a slot for a very specific mood: when you just want to set a bet and chase one life-altering spin, accepting all the nothingness that comes before it.

Play Diamond Boost Free Demo

Because of its extreme high-risk, high-reward design, trying the free demo on slottomat.com is a must. It's the best way to decide if this stark, suspenseful slot is for you.

Where to Spin Next

If you enjoy Diamond Boost, here are some close relatives:

• another AGS slot, 10X Cash by AGS (94% RTP)
• 2X Spin Cycle from AGS by AGS (94% RTP)
• 2x3x Rush from AGS by AGS (94% RTP)
• another AGS slot, 3x Ultra Diamond by AGS (94% RTP)
• 8x Crystal Bells by AGS (94% RTP)
• Cats of Olympuss by Push Gaming (94% RTP)

Browse our complete collection of AGS slots, or explore high volatility slots.

As a high-volatility game, similar spins live in our free progressive jackpot slots and free fruit slots collections.

Worth Trying Next

• Double Shamrock


• Flaming Reels by AGS


• Rakin' Bacon Jackpots Bonus Board


• Rakin' Bacon Jackpots Bonus Wheel by AGS


• Triple Jelly