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Pragmatic Play has created a stunning, Las Vegas-style slot game with Eternal Diamonds. It looks fantastic, but here is the honest truth right up front: the regular spins are basically just for show.
The base game pays out so little that it feels like a waiting room. The entire point of this game is to get into the “Hold & Win” bonus round, where you collect diamonds and casino chips.
Eternal Diamonds is a 5×3 slot with 50 paylines, dropping on September 10, 2026. It has medium volatility, an RTP (Return to Player) of 96.50%, and a massive maximum win potential of 20,000x your bet. But getting anywhere near that takes a lot of luck in the bonus round.
A Beautiful Game with a Terrible Paytable
The game has a great 1960s retro vibe. You’ll see classic symbols like cherries, gold bells, diamond-studded horseshoes, BARs, and red sevens. The graphics are where the budget clearly went: the slot sits on a neon-lit Vegas strip with a fountain and palm trees in the background, complete with a glamorous hostess who changes outfits when you hit the bonus round. It looks expensive and polished.
But the payouts? They barely exist.
If you bet $2.00 and land five of the best symbols (the red sevens) in a row, you only win $7.50. That’s a measly 3.75x your bet for the best regular win in the game. Landing three-of-a-kind of anything pays out less than the cost of your spin.
To test it, I did a few $2.00 spins. I landed stacked wilds and premium symbols, and still won absolutely zero because of how the paylines are structured (they only read strictly left to right). Another time, my screen was covered in cherries, it looked like a massive win, but paid nothing.
The Respin Bonus: Where the Real Game Begins
Since the base game pays peanuts, the respin round is the whole point of Eternal Diamonds.
It’s a classic “Hold & Win” feature. The regular symbols vanish, leaving only blank spaces, cash-value diamonds, and colored casino chips. You start with three respins. Every time a new symbol lands, it locks into place, and your respins reset to three. The round ends when you run out of spins or fill all 15 spots on the board.
Triggering this round happens randomly. As you play, you’ll see red, blue, and green casino chips land on the reels. Collecting one can instantly trigger the bonus.
A quick warning: You’ll notice three glass pots at the top of the screen filling up with gems as you play. Ignore them. The game’s own rules admit these jars are purely for decoration. A chip will either trigger the bonus right then and there, or it won’t. The jars don’t mean you are “getting closer.”
The Magic Chips (Modifiers)
What keeps the bonus round from getting boring are the colored chips. When the round starts, the game randomly picks one, two, or all three of these modifiers to help you out:
- The Green Chip (Extra Spins): This is the simplest one. It gives you extra respins. Instead of starting with three, you might start with five, giving you a much better safety net.
- The Blue Chip (Multipliers): This drops multiplier plaques (ranging from 2x to 100x) onto random spots on the board. At the end of the round, it multiplies whatever diamond is sitting under it. However, if a multiplier lands on an empty space and you never land a diamond on top of it, it’s completely worthless.
- The Red Chip (The Expanding Grid): This is by far the coolest feature. Any red chip that lands gets its own separate mini-game at the end of the round. It starts as a tiny 2×2 grid that spins for cash values. If you fill it, it grows to 3×3, then 4×4, all the way up to 5×5. Whatever total you rack up on this mini-grid becomes the value of your red chip. Fair warning though: no red chip landed in either round I bought, so this is the one feature I am describing from the rulebook rather than from playing it.
Jackpots and a Few Pre-Release Typos
During the bonus round, you’ll see two jackpots on the side of the screen: the GRAND and the MAJOR.
If you fill all 15 spots on the main board, you win the GRAND (2,000x your bet). If you manage to grow the Red Chip’s mini-grid all the way to 5×5, you win the MAJOR (125x your bet).
Note for early players: Because I played a pre-release version, the written rulebook inside the game had a bunch of typos. It claimed the jackpots were five times higher than they actually are, and it listed the wrong prices for buying the bonus round. Trust the numbers on your actual screen, not the rulebook! Hopefully, Pragmatic fixes this text before launch.
Buying the Bonus Round
If you don’t want to wait for the bonus to trigger naturally (which happens roughly once every 99 spins), you can just buy it. There are three options:
- Tier 1 (50x your bet): Guarantees at least 1 random chip modifier.
- Tier 2 (150x your bet): Guarantees at least 2 random chip modifiers.
- Tier 3 (250x your bet): Guarantees all 3 chip modifiers at once.
The best part about the buy feature? It doesn’t penalize your odds. Usually, games lower the RTP slightly when you buy a bonus, but here, the math stays exactly the same whether you buy it or wait for it.
The Verdict
I bought the cheapest bonus tier for $100. I got 12 respins, locked in 11 symbols, and walked away with a grand total of… $10.
That wasn’t just uniquely bad luck; it’s a realistic picture of how the game works. Most of the diamonds that land on the board are worth tiny amounts, like 40 or 50 cents. To win big, you desperately need high multipliers to land on the right spots.
Eternal Diamonds is a gorgeous, perfectly functional slot, but it feels a bit hollow. The base game is a total dead zone, and two of the three bonus modifiers (extra spins and multipliers) are things we’ve seen a million times before.
The only truly unique and exciting thing here is the Red Chip’s expanding mini-grid. Because of that, if you are going to spend money buying a bonus, the 250x tier is honestly the only one that makes sense. It’s the only way to guarantee you’ll actually get to play the game’s best feature.