Free Slot Demo & Review

Play Diamond Boost Online

Diamond Boost by AGS is a free-to-play slot demo with a 94.0% provider-stated RTP and 20 paylines. Play free — no download, no sign-up.

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RTP94.0% (provider-stated)
Volatility
Paylines20
Reels5 x 3
ProviderAGS
Last updated: Jun 9, 2026
Provider: AGS RTP: 94.0% Volatility: High
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Free Demo

Diamond Boost

by AGS

18+ | T&Cs Apply | Gamble Responsibly

Slot Review

Diamond Boost Overview

Diamond Boost is a high volatility slot by AGS with an RTP of 94% . This game features 20 paylines on a 5 x 3 grid . Play Diamond Boost for free on Slottomat, compare the core stats quickly, and browse trusted slot offers available in your market.

📊 Diamond Boost Stats & Key Facts

RTP
94%
Volatility
High
Paylines
20
Bet Range
0.10 – 100
Reels
5 x 3
Provider
Released
Nov 2024

Diamond Boost Slot Overview


Diamond Boost from AGS is a slot that feels like it's trying to be two different games at once. On one hand, it's a straightforward, no-frills classic slot with a familiar fruit machine layout. On the other, it has a high-stakes progressive multiplier feature that can theoretically turn a single spin into something huge. This split personality is both its biggest draw and its most frustrating flaw. If you have the patience for high volatility, there's a raw, suspenseful thrill here that many modern feature-packed slots lack.

RTP, Volatility & Math Model


The published RTP configurations are 92.00%, 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?


This slot is a niche product. 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 bankroll 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 before playing with real money. You need to feel the length of the dry spells and experience the tension of the Diamond Boost feature for yourself, with no signup needed. It's the best way to decide if this stark, suspenseful slot is for you.


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Looking for more from this developer? Browse our complete collection of AGS slots, or explore high volatility slots - maximum risk, maximum reward.


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FAQ

Common Questions About Diamond Boost

Direct answers to the questions players usually ask before trying a slot.

Diamond Boost by AGS has an RTP of 94% and high volatility. This means payouts can be less frequent but potentially larger. You can experience this dynamic for yourself when you play Clem's gems online in demo mode.
Yes, many online casinos offer a free demo version of Diamond Boost. This is a great way to learn the bonus features and high-volatility gameplay before playing for real money. It's the perfect introduction to play Clem's gems online without risk.
The main feature is the Diamond Boost symbol, which can randomly multiply wins or trigger respins. The game's high volatility means these features can lead to significant payouts. To see how these mechanics work, you can play Clem's gems online in free play mode first.
Yes, AGS has optimized Diamond Boost for seamless play on smartphones and tablets. The game's vibrant gem theme and features work perfectly on smaller screens. This makes it easy to enjoy the high-volatility action from anywhere.
While the exact maximum win figure isn't always published, the high volatility and multiplier features in Diamond Boost create the potential for large payouts. The 94% RTP is a key factor in the game's overall math model. You can explore this potential when you play Clem's gems online.