Triple Diamond Slot Review 2025 + Best Triple Diamond Casino Sites in the UK

Launched ten years later than its predecessor Double Diamond, IGT’s Triple Diamond slot comes with a higher max win, more paylines, a wider bet range and increased multiplier values. Discover all there is to know about this popular game in our detailed Triple Diamond slot review.

The Triple Diamond Online Slot Game
Reviewed & Tested by: James Awland
Rating: 4.6/5
  • Game Type Classic slot
  • Bet Per Spin £0.25 – £900
  • Volatility Medium
  • Software IGT
  • RTP (Return to Player) 95.06%
  • Approved Casinos 1
Released in 2015, the Triple Diamond online slot from IGT features classic gameplay with retro-style symbols. With adjustable paylines, rewarding multipliers and wide bet range, this classic slot comes with a welcome modern twist. Keep reading our Triple Diamond slot review to find out more.
This game has been approved by the UK Gambling Commision
James Awland
James Awland
UK Online Casino Expert
James has been creating in-depth online casino reviews, articles & guides for over a decade now, having launched the independent bestcasino.co.uk platform back in 2014. He uses his background in Mathematical Sciences to provide an educated view to other gambling enthusiasts.

In-depth knowledge is key to navigating online casinos successfully. I'm here to provide it.

Best Triple Diamond Casino Sites

With such a saturated market, it’s a tough task to find the best Triple Diamond casinos for UK players but we’ve taken the strain out of searching and recommend Ladbrokes as the number one choice. The site is licensed with a wide choice of games and a generous welcome bonus.

4.95/5 Get £30 When You Bet £10 1700+ Casino Games Play Here! Full T&Cs apply. 18+. New Casino players only. Deposit required. Play £10+ on qualifying games. 40x wager reqs (Bonus only) on selected games. Accept Bonus within 14 days. Bonus valid for 30 days. Certain deposit types excluded. Player restrictions and T&Cs apply. GambleAware.org

Triple Diamond Rules, Layout, & Bets

The Triple Diamond slot is a classic game that has a modern twist incorporated into its mechanism and gameplay. The 3 reel slot machine features 9 adjustable paylines, retro-style symbols, wilds and win multipliers. Wins are achieved by lining up three regular symbols on an active payline or dropping one or more wilds onto the reels.

Reels 3
Rows 3
Paylines 9
Lines Pay Left to right
Max Win 1,199x
Minimum Bet £0.25
Maximum Bet £900
Multiplier 3x, 9x
Free Spins No
Bonus Round No
Progressive Jackpot No
Wild Yes
Scatter No
Gamble No

Minimum stakes for the Triple Diamond online slot start at £0.25 but rise to a high roller maximum bet of £900 per spin. There are no free spins or bonus rounds but you do have substituting Triple Diamond wilds which also award great payouts including the max win of 1,199x.

When one Triple Diamond wild participates in a win, a multiplier value of 3x is applied to the total win amount, when two Triple Diamond wilds participate in a win, a 9x multiplier is applied to the total.

Triple Diamond Theme, Symbols & Payouts

As mentioned earlier in our Triple Diamond slot review, this is a classic 3 reel game featuring retro-style symbols like single, double and triple BARs plus lucky red 7s. The Triple Diamond symbol is wild and substitutes for all regular symbols but also awards top payouts for landing one or more on the reels.

Paytable & Symbols of Triple Diamond Online Slot Game
Best Triple Diamond Symbols Max Payout
3 Wilds 1,199x
777 100x
Triple Bar 40x
Double Bar 20x
Single Bar 10x
2 Wilds 10x

Top payouts for the Triple Diamond slot come from the game’s wild which awards 2x, 10x or the max win of 1,199x for landing 1, 2 or 3 respectively. Leading the regular symbols are lucky red 7s which award 100x the bet for dropping three onto an active payline. Next come the triple BARs with 40x, double BARs with 20x, single BARs with 10x and finally, a combination of any 3 BARs awards 5x the bet.

Triple Diamond RTP, Variance & How to Win Tips

The Triple Diamond slot RTP rate is 95.06% which is slightly lower than the industry’s average of 96%. Return To Player is a theoretical percentage that indicates the possible payouts to players following a long period of gameplay. To find the best high rated slots, check out our article on the best slot sites.

Slot variance or volatility as it is also known, is a theoretical indicator that predicts the frequency of payouts. Low volatility indicates small value wins on a frequent basis, high variance indicates the opposite. Triple Diamond online slot variance is medium which allows for balanced gameplay with a steady flow of low to medium value pots and the occasional big win.

Triple Diamond Slot Software & Alternatives

Triple Diamond is yet another addition to the expansive portfolio of global leading developer IGT which offers a range of both classic and modern titles featuring stunning graphics and design. Below we’ve selected a few alternative slots from other top suppliers of the iGaming industry, including top choice Gladiator which can be found at most Playtech casino sites.

These alternative slots from the likes of Playtech, IGT and NetEnt offer exciting features including cluster pays, free spins, multipliers, high RTP rates, 5 reels, numerous paylines, sticky respins and bonus rounds.

Important Questions

As we near the end of our Triple Diamond slot review, we thought it only prudent to include some of the more common questions we receive from UK players and of course, the answers we provide. These help refresh you on important factors of the game to enjoy it to its full potential.

Can I play Triple Diamond slot on mobile?

The Triple Diamond online slot can be played from your smartphone or tablet device. It is compatible with popular operating systems such as Android and iOS, plus it is fully optimised to adapt to any size screen with no compromise on graphics, sound or gameplay.

Which are the best Triple Diamond casinos?

The best Triple Diamond casino sites provide you with a safe space to gamble online. Our top recommendation is Ladbrokes casino which is licensed by the UK Gambling Commission and offers generous bonuses, a variety of online games, trusted payment methods and a fully optimised mobile platform.

What is the Triple Diamond RTP?

The Triple Diamond RTP is 95.06% which is a decent return although slightly lower than the industry’s average rate of 96%. The slot has a medium variance which affords balanced gameplay and a steady flow of small to medium wins.

Is Triple Diamond legit?

Yes, the Triple Diamond slot machine is legit. As a product of top software developer IGT, the game has been tried and tested by independent third parties to ensure RTP rates and RNG (Random Number Generator) stats comply with fair gaming.

Triple Diamond Slot Verdict: High Paying Wilds

The Triple Diamond slot will appeal to both new players for its simplicity and seasoned players for its high roller betting options. The game plays out with medium volatility and a 95.06% RTP. Incorporating a modern twist on a classic design, IGT delivers exciting win multipliers, high paying wilds and a max win of 1,199x the bet.