Diamond Cascade (Pragmatic Play) – Review & Demo Play

The Diamond Cascade Slot Game

I approached Diamond Cascade as another gemstone slot, but the 5x5 grid with 50 paylines and the Colour Tumble twist made me look twice. Wins pay left to right, and tumbling only kicks in when matching background colours form clusters. Those removed symbols feed a multiplier metre, so even small lines can snowball. Stakes run from 0.20 to 240 per spin. It’s high volatility with a default RTP of 96.06%, 96.02% with Ante Bet, or 96.14% via Bonus Buy. Max potential reaches 8,000x.

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Symbols and Payouts for Diamond Cascade

Thirteen base symbols cover simple gems and cut diamonds. The lower quartet pays 0.1 to 1x for lines, while mid-tier stones step up to 2x, 3x, and 4x for five of a kind. The pink diamond ranges from 0.6x to 8x, and the blue tops out at 12.5x for five. The red diamond leads the board at 20x for a full line. I like that everything is clear on the paytable, so I can price lines at a glance.

The wild sits on a red diamond with a gold W and substitutes pay symbols. The scatter is a blue diamond that pays 2x, 5x, or 15x for 3, 4, or 5 in view and also triggers the bonus. It’s a simple setup that lets the tumble logic carry the weight. The game caps out at 8,000x, which sets the ceiling for those spike moments when the metre climbs and the board clears again and again.

Diamond Cascade Symbols and Paytable

Symbol	Quantity	Payout
	5	x20
	4	x2.5
	3	x1.25
	5	x12.5
	4	x2
	3	x0.8
	5	x8
	4	x1.5
	3	x0.6
	5	x6
	4	x1
	3	x0.5
	5	x4
	4	x0.8
	3	x0.35
	5	x3
	4	x0.6
	3	x0.25
	5	x2
	4	x0.5
	3	x0.2
	5	x1
	4	x0.35
	3	x0.15
	5	x1
	4	x0.35
	3	x0.15
	5	x0.6
	4	x0.25
	3	x0.1
	5	x0.6
	4	x0.25
	3	x0.1
	Scatter
	Wild

Diamond Cascade Slot Bonus Features

After any line win, clusters of at least five symbols sharing the same background colour explode. This Colour Tumble drops everything down and fills the gaps. All removed symbols are collected on the right-hand metre. Every 20 collected adds +1 to the win multiplier. The multiplier applies once the sequence ends in the base game, and then resets. I’ve had plenty of rounds where one small hit set off a tidy chain, simply because the background colours lined up.

Land or collect 3+ scatters and you get 15 free spins. Here’s the kicker: the multiplier does not reset between spins, so every 20 collected keeps ratcheting it up for the rest of the round. Hit 3, 4, or 5 scatters during the feature for 5, 10, or 15 extra spins. The wild still subs, and the same Colour Tumble rules apply. This is where the slot shows its teeth, as steady collections can turn a modest start into a proper payout.

Ante Bet adds 25% to the stake and increases the chance of triggering. If patience runs thin, the bonus can be bought for 100x the bet, though the purchase option is not offered in the UK. Buying nudges RTP to 96.14%, while Ante sits at 96.02%. In practice, I’ll toggle Ante when the base game feels flat, but I only buy when I want a concentrated stab at a climbing multiplier.

Bonus Buy Feature

Free Spins Feature The free spins round can be instantly triggered from the base game by buying it for 100x current bet.
Feature Cost:	x100 Bet
RTP:	96.14%
Volatility:	-

How to Win at Diamond Cascade Slot

To hit wins in Diamond Cascade, connect three to five matching symbols on any of the 50 fixed paylines from the leftmost reel. Scatter pays land anywhere and can be collected during tumbles to reach the threshold. The 5x5 layout means positions refill often, so timing matters. I set stakes that keep me in the game through dry spells, then lean on Colour Tumbles to build the multiplier. When colours cluster, even average lines can turn into worthwhile totals.

Diamond Cascade Slot RTP & Volatility

Diamond Cascade is high volatility, so stretches without much can happen, then a burst wipes the slate. The default RTP sits at 96.06%. With Ante Bet active it dips to 96.02%, while the Bonus Buy version sits at 96.14%. Some deployments run lower RTP settings, such as 95.12% or 93.98%, so it pays to check the info panel before you grind. Stakes span 0.20 to 240 per spin, fitting both testing runs and more committed sessions.

The hit rate hovers around one in four spins. On average, the bonus triggers roughly once in 480 spins, though cascades can skew that feel. For me, the rhythm is simple: base spins feed occasional multipliers, and the free spins carry the long-term edge because the multiplier sticks. If the grid keeps serving clusters, the metre rises in chunks, and that’s when the 8,000x ceiling starts to look within reach.

The Final Thoughts on Diamond Cascade

I’ve played countless gem slots, and Diamond Cascade earns its spot thanks to the background colour logic. It’s not flashy, yet the tumble rule changes how I read the screen. I’m tracking colours first, not just lines, and that adds a subtle layer that keeps me engaged. When the metre ticks up on scraps, the maths starts to sing.

The free spins round is the draw. Non-resetting multipliers give you a fighting chance to climb, and retriggers help. Potential tops out at 8,000x, so there is headroom without feeling silly. High variance won’t suit every mood, but when the board cooperates, the game has a clean, satisfying flow.