Diamond Inferno Slot Review

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Create by: Microgaming
Review by:
Posts by Michael White
Updated: January 7, 2026

Diamond Inferno is a Average volatile slot from Microgaming with an RTP 96.19% and up to x11750 maximum win. Play demo for free.

Diamond Inferno Slot Demo

Software
Release Date
2020-07-21
RTP
96.19%
Max Win
x11750
Volatility
Average
Bet Range ($,€,£)
0.20 - 20
Number of Reels
5
Features
Classic, Diamonds, Expanding Reels, Fire, Respins, Scatter Pays, Sevens, Stacked Wilds

Diamond Inferno - Theme and Design

When I load up Diamond Inferno, the first thing that hits me is the wall of fire behind the reels. The whole screen glows in orange and red, which suits the name and sets a fast, arcade style mood. Symbols are sharp and bright, the reel movements feel smooth, and the UI keeps out of the way, so the focus stays on those burning spins.

Triple Edge Studios have mixed that classic fruit machine look with a more modern presentation. You get blazing sevens, bars and dice, but they come with slick animations and satisfying win flashes. The soundtrack leans on a driving guitar riff that ramps up when you hit something, which works well with the respin mechanic. After a while I almost zone out into the rhythm and just chase the next burst of action.

Diamond Inferno slot screenshot

Diamond Inferno Symbols and Paytable

In Diamond Inferno the paytable sticks to familiar icons, split between low and high symbols. On the lower side you have A to J royals in bright colours. Premiums step things up with dice, dollar signs, gold bars, red sevens and the blazing star. Lining up five stars on a line pays 100x stake, while five sevens pay 6x and five gold bars pay 4x, so premiums can still bite.

Middle symbol values are steady rather than crazy, with five dollar signs paying 2.75x and five dice paying 2.25x. Among the royals, five A symbols pay 1.75x, K pays 1.5x, and Q or J lines return 1.25x. The flaming Wild logo only lands on the three central reels and has no own payout, it just substitutes. Blue diamond Scatters pay on any position, from 1x on the first row up to 20x on the sixth.

Symbols and Paytable

Symbol Quantity Payout
icon 1 5 x100
4 x5
3 x2
icon 2 5 x6
4 x4
3 x1.25
icon 3 5 x4
4 x2
3 x0.5
icon 4 5 x2.75
4 x1.25
3 x0.4
icon 5 5 x2.25
4 x1
3 x0.35
icon 6 5 x1.75
4 x1
3 x0.25
icon 7 5 x1.5
4 x0.75
3 x0.25
icon 8 5 x1.25
4 x0.75
3 x0.25
icon 9 5 x1.25
4 x0.5
3 x0.25
icon 10 Scatter
icon 11 Wild

Diamond Inferno - Technical Info

Diamond Inferno runs on a 5x3 layout to start with, offering 20 paylines, but wins can expand the grid up to 5x6 with 50 lines active. I usually set stakes between 0.20 and 2 per spin, though the full range goes up to 20. The maths model sits in the medium volatility bracket with a hit rate around 32.1%, which feels like a win roughly every three spins. Official RTP is 96.19% and maximum potential reaches 11,750x stake.

Diamond Inferno - Bonus Features

The main mechanic in Diamond Inferno is the respin feature tied to the expanding reels. Any winning spin on the starting 5x3 layout awards a respin and adds a fourth row. Another win on that respin brings out a fifth row, and a third consecutive win expands the grid to the full 5x6 with 50 paylines. As soon as a spin fails to land a combo, the respins stop and the reels shrink back.

Once the reels reach their full height, Diamond Inferno brings in the Multiplier Trail. From there, every respin win climbs the multiplier ladder, 2x, 3x and so on, up to a ceiling of 10x. When the streak ends, the multipliers collected on that sequence are added together and applied to the total win from the feature. After that, the counter drops back and the game returns to its base state.

Blue diamond Scatters are a separate feature, paying instant prizes instead of launching free spins or side games. Each diamond pays based on the row it lands on, so low rows give smaller wins and a diamond on the sixth row drops a tidy 20x stake. These scatter hits can arrive during respins or base spins, which helps keep the balance ticking over while you grind towards those longer respin chains.

The 200 Spins Experience in Diamond Inferno

I ran my own 200 spin test on Diamond Inferno at a flat 1 unit stake using autoplay. The soundtrack pulled me in straight away, but the first stretch was rough. I managed to expand the reels fairly early, yet I could not reach the multipliers before the streaks fizzled out, and at one point I was about 15 units down. Chaining three wins in a row felt harder than the hit rate suggests.

The second hundred spins treated me better. Early on I landed four Scatters in one go for a 24x hit, which clawed back a good chunk of the earlier losses. I also caught several lines of stars, including one burst worth 57x stake during a multiplier sequence. After 200 spins I still finished around seven units down, yet the ride had enough action that I could see myself pushing for that 10x trail again.

Diamond Inferno slot screenshot

Diamond Inferno - Final Thoughts

I see Diamond Inferno as a modern take on a classic fire slot, with clean visuals, simple rules and a punchy feature set. The downside for me is that the so called medium volatility can feel savage, with patches of ten dead spins and plenty of 2x crumbs between bigger hits. Lack of any free spins round also hurts variety, though the respins and multipliers give enough punch to tempt me back.

Screenshots

Diamond Inferno slot screenshot 1
Diamond Inferno slot screenshot 2
Diamond Inferno slot screenshot 3
Diamond Inferno Final Ratings
Theme & Symbols








Sounds & Music








Bonus Features








RTP (96.19%)








Max Win (x11750)








Originality








FAQs About Diamond Inferno

Can I play Diamond Inferno free slot?

Absolutely! You can enjoy Diamond Inferno for free on our website without registration. Our partner casinos of Microgaming also usually offer demo mode access.

Can I win real money on Diamond Inferno slot?

Yes, to win real money in Diamond Inferno, you'll need to create an account at a licensed casino site. You can then play for real and win up to x11750.

Can I play Diamond Inferno slot on mobile phone?

Yes, Diamond Inferno is fully optimized for mobile devices and runs smoothly on any devices.

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