4 Supershiny Diamonds

4 Supershiny Diamonds slot by Playson is a fruit-themed game with no base game features except wilds. Diamonds are collected to trigger the 3-pot-style hold & win bonus or the super version of it, and you can win up to 15,000x your stake. Play the 4 Supershiny Diamonds demo for free, read our in-depth review, and claim your bonus below.

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User Rating: 8.0/10 (1 votes)

Provider:Playson
RTP 🔗: N/A
Variance: N/A
Max Win: x15000.00
Betways: 5
Release Date: 2026-08-05
SlotRank: N/A
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4 Supershiny Diamonds Review

Playson is back at it again, serving up another installment in their seemingly bottomless conveyor belt of Hold & Win releases. 4 Supershiny Diamonds certainly lives up to its title too, featuring 4 massive rotating diamonds on display above the reels amidst a pile of smaller diamonds. The whole grid is pulsating with a deep purple energy, casting a dramatic glow against the dark backdrop. The jackpots stacked up on the left hint at what’s up for grabs in this game, but before we get to that, let’s cover the basics.

4 Supershiny Diamonds plays out on a 5x3 grid with 5 paylines, and you win by landing matching symbols across these paylines starting from the leftmost reel. The highest value symbol is a bell & BAR, followed by watermelons, grapes, and then oranges, lemons, plums, and cherries. These pay 10x, 25x, or 50x your stake for 5 of a kind, respectively, as the fruit symbols are divided into two categories that all pay the same. The red 7 Wild symbol substitutes for any pay symbol to help complete wins and is worth the same as the top pay symbol.

4 Supershiny Diamonds Slot
4 Supershiny Diamonds Reels Screen

The titular supershiny diamonds atop the grid are not merely there for aesthetic purposes. They collect diamond symbols of matching colors from the grid, which is how the Hold & Win bonus round is randomly triggered. Each of the 3 smaller diamonds (Multi, Collect, and Charge) represents a bonus round feature, and you can combine up to all 3 features in the same bonus round. The large orange diamond collects super diamonds, which may trigger the super version of the Hold & Win bonus round.

The Super Hold & Win bonus plays out on a larger 5x5 grid and offers a 10,000x full-grid Super Jackpot. The full-grid jackpot in the regular bonus round is worth 3,000x, and both features come with smaller jackpot symbols worth up to 100x. The Multi feature awards position multipliers, the Collect feature collects prizes, and the Charge feature upgrades itself with extra prizes. 4 Supershiny Diamonds is a high volatility slot game, featuring an RTP of 95.7%, bet ranges from £0.20 to £100, and a max win of 15,000x your stake.

4 Supershiny Diamonds Features

While we have given you a brief glimpse into the feature department already, the time has come to give you the full detailed lowdown. We would also recommend that you try the features in action for yourself by sampling the 4 Supershiny Diamonds free play demo. It’s located at the top of this page, so head up there after finishing the review. Let’s get to it!

Hold & Win Bonus Game

The Hold & Win Bonus Game triggers randomly when at least one Multi, Collect, or Charge diamond symbol is collected by the corresponding diamonds above the reels. Each feature diamond that’s activated adds prize diamonds to the reels until there are 6 diamonds in total. The feature diamonds also add their feature diamond to the reels during this process, and the prize diamonds have values ranging from 1x to 12x your stake. The Jackpot Diamonds are known as the Mini, Minor, and Major and are worth 15x, 30x, and 100x your stake.

The triggering diamonds are carried over into the bonus game, where you start with 3 respins. Only blanks, diamond prize symbols, and activated feature diamond symbols appear during the bonus, and each spin that lands at least one new diamond symbol resets the spin counter to 3 again. The bonus game goes on with an indefinite number of respins, and the feature only ends when you either fill the grid with diamond symbols or run out of respins. Filling all positions awards the 3,000x Grand Jackpot.

You can bring up to 3 activated feature diamonds into the bonus game, and each triggering feature diamond provides a unique feature. When a Multi Diamond lands, it places multipliers of x2, x3, and x5 on 3 empty positions. If there are no empty positions, the multipliers are added to existing multipliers. The purple Multi Diamond then gets a random value of 2x to 10x, and the position multipliers boost all diamond prizes in the relevant positions before they are collected as the bonus game ends.

The green Charge Diamond reveals 6 extra positions that may land blanks, diamond prizes, or jackpot diamonds, and the values of these diamonds are then added to the Charge Diamond before the extra positions disappear. The blue Collect Diamond collects the value from all present diamond symbols, adding the total sum onto itself. The diamond symbols still remain in place after having their values collected. You may land Extra Feature symbols during the bonus game, and they turn into random feature diamonds (including unactivated ones that are then activated).

Super Hold & Win Bonus Game

Landing the orange Super Diamond in the base game may trigger the Super version of the Hold & Win Bonus Game. The Super Diamond above the reels then adds 6 random diamonds to the grid, which expands to size 5x5 during the super bonus game. The 6 random diamonds may include prize diamonds and up to all 3 feature diamonds. The super diamond may land during the super bonus game too, enhancing already active diamond features or activating inactive ones. The super diamond holds a value ranging from 7x to 10x, and filling all 25 positions with diamond symbols awards the 10,000x Super Jackpot.

4 Supershiny Diamonds Slot
4 Supershiny Diamonds Bonus Game Win Screen

Bonus Buy (not UK)

Eligible players will find both an ante bet and a bonus buy feature in the 4 Supershiny Diamonds slot, and the Extra Bet feature costs 1.5x your stake. The benefit is an increased chance to trigger the bonus round, but no hit frequency stats are disclosed, unfortunately. You can also purchase the bonus round directly for 100x your stake, and this awards a triggering spin that may activate up to all 3 feature diamonds or even trigger the super bonus round.

Theme & Graphics

4 Supershiny Diamonds looks like your typical glossy fruit slot, with a dash of electrified neon effects added for good measure. Heaps of shimmering diamonds in 4 different colors rest atop the grid, with a large diamond of each color representing the different bonus round features and the super bonus. The jackpots are stacked up below the game logo to the left, and the dark backdrop works well together with the electrified neon illumination around the grid. The soundtrack is an upbeat synth-based tune, keeping the atmosphere playful and lighthearted.

4 Supershiny Diamonds Free Play

If you want to test the free 4 Supershiny Diamonds demo, you can head up to the top of this page. However, we recommend that you first read our verdict of the game below. This way, you know what we think and can tell us what you think of the game in the comments field. We would love to hear from you, so don’t hesitate to leave your opinion after your 4 Supershiny Diamonds free play session is over. If you feel that this is a game you want to play at a casino, we’ve collected the best options carrying this title directly below the demo game.

Pros and Cons of 4 Supershiny Diamonds

Pros

  • Hold & Win bonus with up to 3 features
  • Super Hold & Win bonus with 5x5 grid
  • Full-grid jackpots of 3,000x or 10,000x
  • Win up to 15,000x your stake

Cons

  • No base game features except wilds

Our Verdict

Playson sticks firmly to their tried-and-tested playbook with this release, slapping a glossy layer of neon polish onto a retro-style fruit machine-inspired game. Even before 4 Supershiny Diamonds is finished loading, you pretty much know what you’re in for. Players into the 3-pot concept may welcome this with open arms, while fence-sitters and those who dislike this bonus round idea may feel lukewarm at best. I happen to fall into the latter category myself, but I will try my best to judge this release based more on its merits than my personal preference.

First of all, I don’t get why so many of these 3-pot games have no base game features. It’s like they all follow the same recipe even about that aspect. I see no compelling reason for this, and 4 Supershiny Diamonds is no exception. Something as simple as a teaser of the bonus round features would go a long way in making the base game less of a grind than it feels like now. The base game also mostly delivers moderate top-up wins at best, sometimes with help from the wilds. The Extra Bet option is tempting, of course, but I would never go for that without knowing exactly what I’m paying extra for.

Usually, the super bonus round in these types of games involves all 3 features being active from the start. However, this is not the case with 4 Supershiny Diamonds. Instead, you get a larger 5x5 grid compared to the 5x3 grid in the regular bonus, which is decent but still feels a bit shallow. Of course, you also get a significantly larger full-grid jackpot, but then again, the larger grid is harder to fill. I would’ve preferred all 3 features instead, to be honest, as I don’t like the feeling of “missing out” when the bonus round doesn’t fire on all cylinders.

Anyway, I was unable to trigger the super bonus during my test session, and with no disclosed hit rate, it’s difficult to tell how rare it is. The regular bonus seemed to come along relatively frequently, though, but usually with only one or two features active from the get-go. However, like in so many 3-pot games, you immediately get the sense that jackpots are needed to truly do damage. Regular prize symbols usually offer limited payouts, even if boosted by the different modifiers. All in all, 4 Supershiny Diamonds is a what-you-see-is-what-you-get kind of deal, with no real surprises under the hood. It’s an okay game for what it is, but nothing more either.

Anders

Anders

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4 Supershiny Diamonds demo

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4 Supershiny Diamonds Attributes

Provider: Playson
Release Date: 2026-08-05
Type: Video Slots
RTP: N/A
Variance: N/A
Hit Frequency: N/A
Max Win: x15000.00
Min bet $, €, £: 0.2
Max bet $, €, £: 100
Layout: 5-3 [ i ]
Betways: 5
Features: Bonus Bet, Bonus Game, Bonus symbols, Buy Feature, Cash Collector, Hold and Win, Reelset Changing, Respins
Theme: 777, Bell, Black, Cherry, Classic style, Coins, Diamond, Fruit, Lemon, Treasures, Violet
Other tags: N/A
Technology: JS, HTML5
Game Size: 10 MB
Last Update: 2026-08-13
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