- High RTP of 97.04 per cent
- May appeal to fans of traditional slots
- Wilds are accompanied by a double multiplier
- Official variance level is not known
- Base game may feel too simplistic
- Not the best graphics around
Contents
Double Diamonds slot review
Gems and juicy fruit join forces in this traditional-feeling online slot from Amatic Industries.
Choose how many of the ten variable paylines you want to play and enjoy an impressive RTP of over 97 per cent and all the max win potential this has to offer.
There is a scatter symbol and a wild icon to enhance the base game action, but don’t expect a bounty of bonus features in this relatively simple slot.
Double Diamonds slot theme
If you like video slot games with a sparkling theme, such as the Eastern Emeralds slot, you may like Double Diamonds.
Filled with gems and plenty of classic fruit symbols, the traditional nostalgic vibe triumphs over any attempt at innovative or particularly attractive aesthetic features.

Double Diamonds RTP & variance
The official variance level of this Amatic Industries slot is unknown; however, it played like quite a high variance game when we gave it a spin. Try it for yourself in free play mode here at Slots Temple to see what you think.
Great RTP
The RTP is much more certain, and it is definitely a great offering. The theoretical figure for the Double Diamonds slot is 97.04 per cent, which is way above the average for demo mode slots.
How to play the Double Diamonds slot
Get started with the help of the following handy playing hints:
- The simplicity of the game makes for an ultra-easy-to-use player interface. Simply look beside the grid for all the information and controls you need to enjoy your playing experience.
- The question mark symbol opens the paytable. This is where you can see the win multiplier options and use the right and left arrows to scroll through the prizes that could make up your total win.
- There is a gamble feature after wins, although there is a max win limit of 400x. Prizes above this will be automatically collected. Read more about this feature later in this Double Diamonds slot review.
- Slots Temple encourages responsible gaming and provides timeout and self-exclusion functions to promote this.
How to win with the Double Diamonds slot
Matching symbols is key to winning in the Double Diamonds slot. You also have to choose how many of the ten variable paylines you want in play for each spin and how much you want to bet.
Winning symbols
Prizes are based on a win multiplier and there are rewards for matching three to five of the same symbol. The Double Diamond wild is the highest payer, followed by the star wilds.
The top five-of-a-kind wins for the standard winning symbols, based on you choosing the maximum bet from the range 1 to 500 per spin, are:
- Melons = 10,000
- Plums and grapes = 7,500
- Oranges and lemons = 5,000
Double Diamonds bonuses
There are not a huge number of Double Diamonds bonus features; in fact, there are just two plus a gamble game.
Scatter symbol
Unlike the scatter symbol in many demo mode slots, the star icon in this game does not trigger a bonus feature. It does deliver wins for matching symbols, however, and doesn’t need them to land on a payline to add to your total win.
It is also worth noting that while most of the wins in the game are based on a multiplier of your line bet, scatter prizes are calculated according to a multiplier of your total stake.
Wilds
The Double Diamond is the wild of the game and can double a prize it is involved in - but only once.
Gamble game
As mentioned earlier in this Double Diamonds slot review, there is a gamble game available offering you the chance to double your wins and increase the payout potential of the base game. This is important given the lack of bonus features in this choice of demo play slots.
You will be offered the choice of gambling any total win combination worth under 400x. You could double your prize, or you could lose it all.
As with many demo mode slots you will find in online casinos, there is also the chance to gamble half a total win and collect the other half to boost the payout potential whilst minimising the risk.
Double Diamonds review: our verdict
There is no doubt that this game offers a great RTP compared to many free play slots. Many players will also enjoy the nostalgic feel and simplistic base game.
There are many other spinners, however, who will hate the lack of bonus features, yearn for more contemporary graphics, and simply get bored after a relatively short amount of time.
Disclaimer: Double Diamonds trademark / license is owned by Amatic. This site is not endorsed by Amatic.
| Slot Name: | Double Diamonds |
|---|---|
| Software: | Amatic |
| RTP: | 97.04% |
| Volatility: | Medium volatility |
| Paylines: | 10 |
| Reels: | 5 |
| Min Bet (all lines covered): | £0.10 (GBP) |
| Max Bet: | £100 (GBP) |
| Top Win: | 1000 |
| Features: | Wild Symbol, Scatter Symbol, Multiplier, Gamble, Medium volatility, 5 Reels |
| Themes: | Fruit Machine |
| Last Update: | 30/03/2023 |
|
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Yes. Amatic have a UKGC license and are allowed to offer their games at UK licensed casinos. |
FAQs
Is there a gamble game in the Double Diamonds slot?
As you might find in many of the more classic-feeling slots, there is a gamble game after some wins. If your prize is set to be less than 400x, you will be offered the chance to gamble all or half your win in the hope of doubling the payout potential. If you lose, however, you win nothing - unless you only gambled half and the other 50 per cent of your win is safe in your prize pot.
Are there free spins in the Double Diamonds slot?
This is an incredibly simple slot and there is no free spins bonus in this game. Fans of a great free spins bonus, as found in many online slots, will be disappointed by the absence of the bonus. This game revels in its simplicity, however, and is aimed at players who don’t like to be distracted too much from the basic base game fun.
What is the RTP of the Double Diamonds slot?
The major plus point of this choice of demo play slots is its excellent RTP, which far exceeds the average for online slots. The theoretical return to player rate offered is an impressive 97.04 per cent, which is great given that the average for demo mode slots is around 96 per cent.
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| Dynamite7 | Medium volatility | 20000 | ||
| Fortunas Fruits | 96% | Medium volatility | 1000000 | |
| Hot 27 | 96% | Medium volatility | 150000 | |
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| Hot Neon | 96% | Medium volatility | 500000 | |
| Hot Scatter | 96% | Medium volatility | 250000 | |
| Hot Seven | 96% | Medium volatility | 50000 | |
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