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Diamond Jackpots: A Progressive Slot That Bets Everything on One Feature — And Has a 94% RTP

Here’s the thing about Diamond Jackpots. It’s a 2017 Blueprint Gaming slot that strips everything back to one proposition: can you hit the progressive jackpot? That’s the entire pitch. No cascading reels, no multiplier chains, no bonus buy shortcut. Just diamonds, gems, a 5-reel grid, and a progressive pot that’s either going to pay off or bleed you dry trying. Let’s be honest — this is about as bare-bones as very high volatility gets.

If you need constant feature triggers to stay interested, close this tab. If you chase complex bonus rounds with 47 moving parts, this isn’t your game. Diamond Jackpots sits in a similar space to older progressive chasers — think along the lines of Deal or No Deal The Perfect Play from Blueprint’s own catalogue, or even Deal or No Deal Megaways Jackpot King if you want the jackpot-chasing element with more modern mechanics bolted on. Diamond Jackpots came first. It’s simpler. Whether that’s a feature or a flaw depends entirely on what you’re here for.

How It Actually Plays (Not What the Paytable Tells You)

Five reels. Diamond and gem theme. No Megaways, no tumbling reels, no increasing multipliers. The payline structure isn’t confirmed in the data I have, which is frustrating, but that’s 2017 Blueprint for you — documentation wasn’t always their strong suit.

What IS confirmed: this is a very high volatility slot with a progressive jackpot as its headline feature. No autoplay. No quick spin. You’re doing this manually, spin by spin, watching your balance. Actually, that might be a good thing — it forces you to pay attention to what you’re spending. I’ve seen people zone out on autoplay and lose 200 spins of bankroll without blinking. At least Diamond Jackpots makes you click.

The base game is going to feel quiet. That’s not speculation, that’s just what very high volatility means when there’s no secondary feature layer to generate interim wins. Blueprint slots from this era typically lean on modest base game returns punctuated by the jackpot mechanic doing the heavy lifting. You’ll get small symbol wins. You’ll get dead spins. A lot of dead spins. The math is waiting for the progressive to either trigger or not.

And then there’s the RTP. 94.13%. Do the math: that’s a 5.87% house edge. For context, most modern slots sit between 96% and 96.5%. Some progressive jackpot slots run lower RTPs because a portion feeds the jackpot pool, and that’s almost certainly what’s happening here. But 94.13% is still noticeably below average. You’re paying a premium for the chance at that growing pot.

The Bonus Round: It’s All About the Progressive

There’s no bonus buy. No free spins feature confirmed in the data. The confirmed feature is the progressive jackpot. That’s the game. One feature. One shot at a big number.

For Blueprint Gaming progressive slots of this era, the typical setup involves a jackpot that accumulates from a small percentage of every bet placed across the network. Trigger mechanics in similar Blueprint progressives usually involve hitting specific symbol combinations or a randomly triggered jackpot event — but I want to be clear, I’m describing what’s typical for the provider, not confirmed specifics for this exact title.

What I can tell you is that progressive jackpots on very high volatility slots don’t trigger often. That’s the entire point. The pot grows because most people don’t hit it. When someone does, the number can be significant. When you don’t — and statistically you probably won’t in any given session — you’re grinding against a 94.13% RTP base game. That’s the trade-off, and it’s one you need to accept before you sit down.

→ Find sites carrying Blueprint progressives at our best slots sites page.

What a Typical Session Looks Like

At very high volatility with a 94.13% RTP, a session typically looks like a slow descent interrupted by occasional small wins and — if you’re fortunate — a progressive trigger that changes everything. Most sessions won’t include that trigger. That’s not pessimism. That’s probability.

You’ll likely see stretches of 30, 40, 50+ spins returning very little. The base game keeps you alive with minor payouts, but it’s not generating the kind of rhythm you get from medium volatility slots. Your balance graph will slope downward with small bumps. Then either the progressive hits and it was all worth it, or your session budget runs out. There isn’t much middle ground here.

Bankroll guidance: budget a minimum of 150x your stake per session. Actually, scratch that — with this RTP and no secondary features to generate interim returns, I’d lean closer to 200x if you’re serious about giving yourself a reasonable shot. A £0.50 stake means bringing at least £75-£100 to the table. Anything less and you’re just donating to the jackpot pool for whoever comes after you.

And yes, I know that sounds harsh. But bankroll discipline is the only edge you have against variance this steep. The game doesn’t care about your feelings. It cares about math. — Anyway, tangent over.

→ Stretch your bankroll with a no deposit bonus before committing real funds.

Is It Worth Playing?

Play Diamond Jackpots if:

• You’re a progressive jackpot chaser: This is a single-feature slot designed around one big event. If that’s your thing, it’s pure and uncluttered.
• You prefer simplicity: No complex bonus layers, no feature-within-a-feature design. You spin, you wait, you hope.
• You have the bankroll for very high volatility: 200+ spins of budget and the patience to watch most of them return nothing meaningful.
• You appreciate older Blueprint design: If you’ve played Deal or No Deal The Big Hit Megaways and thought “this is too busy,” Diamond Jackpots is the antidote.

Skip this slot if:

• The RTP bothers you: 94.13% is below the line most experienced players draw in the sand. That house edge compounds over longer sessions.
• You need bonus features to stay engaged: There’s no free spins round, no pick-and-click, no gamble feature confirmed. Just the progressive.
• You’re playing with wagering requirements: Poor choice for bonus clearing. The long cold runs will absolutely destroy a bonus balance before you get anywhere near the wagering target. Read about common casino bonus mistakes before trying.
• You want a known max win: The max win isn’t published outside the progressive, which means your upside is entirely dependent on the jackpot pool size at the moment you play.

→ Grab free spins to try Diamond Jackpots without full risk.

How It Compares to Similar Slots

Diamond Jackpots is leaner than every slot on this list. Mega Moolah and Hall of Gods have larger, more famous progressive pools. Divine Fortune — available at most NetEnt casinos — gives you falling wilds and re-spins to sustain interest between jackpot triggers. Blueprint’s own Jackpot King series evolved past what Diamond Jackpots offers. This is an early-generation progressive chaser, and it shows. That said, sometimes simpler is what you want. Not every session needs twelve mechanics fighting for attention.

→ Compare welcome offers for progressive slots at our welcome bonus page.

Strategy Tips

1. Set a hard session budget: 150-200x your stake minimum. When it’s gone, walk. Progressive jackpots reward the player who hits them, not the player who spent the most chasing them.
2. Play for the progressive, not the base game: The base game at 94.13% RTP is not going to sustain you. Accept that going in. Your expected value lives in the jackpot trigger.
3. Don’t chase losses: Very high volatility means most sessions end negative. That’s the model. Doubling your stake after a cold run doesn’t change the probability — it just empties your bankroll faster.
4. Avoid using bonus funds: The combination of very high volatility and sub-95% RTP makes this a terrible wagering slot. You’ll burn through bonus balance long before meeting playthrough requirements. Learn from others’ casino bonus mistakes.
5. Check the jackpot size before playing: Progressive pots have better expected value when they’re larger. If the pot looks small — recently won — consider waiting. The math is slightly better when the pool has had time to grow.

Play Diamond Jackpots at These Casinos

Diamond Jackpots is a Blueprint Gaming title from 2017, so it’s available at most established UK and EU casino sites that carry the Blueprint catalogue. Note: it’s restricted in Australia and Israel. Here’s where to start:

• → Browse our best slots sites for trusted Blueprint casinos
• → Claim free spins offers to test the waters
• → Check the latest welcome bonus deals
• → European players can find options at our EU players hub

The Bottom Line

Diamond Jackpots is a one-trick slot, and whether it’s worth your time depends entirely on how much you value that trick.

This is a stripped-down progressive jackpot chaser from Blueprint’s earlier years. No layered bonuses, no modern gimmicks, no safety net of medium-volatility base game returns. The 94.13% RTP means you’re paying a real premium for the privilege of chasing that growing pot. If you hit the progressive, none of that matters. If you don’t — and most sessions you won’t — it’s an expensive grind. This is for patient, bankroll-disciplined progressive hunters who understand the math and accept it. Everyone else has better options in 2024.

Key Stats

• Provider: Blueprint Gaming
• RTP: 94.13%
• Volatility: Very High
• Max Win: Progressive Jackpot (variable)
• Reels: 5
• Paylines/Ways: Not confirmed
• Bet Range: Not specified
• Features: Progressive Jackpot
• Release Year: 2017
• Bonus Buy: No

Responsible Gambling

Very high volatility progressive slots can lead to extended losing sessions. Set firm limits before you play and stick to them. If gambling stops being fun, stop. Visit our responsible gambling page for tools and guidance, or contact BeGambleAware.org for independent support.