Cool Diamonds II — Slots by Amatic

Cool Diamonds II

Published Updated
Game Provider
Amatic
Release date
2017-01-25
Type
Slots
RTP
96%
Volatility
Low volatility
Max Win
x2500
Min Bet
1.0
Max Bet
450.0
Reels
5
Paylines
10
Bonus features
Gambling, Bonus symbols, Jackpot, RTP range, Wilds, Substitute winning symbols, Scatter symbols, Stacked wilds

Cool Diamonds II Slot Review

Cool Diamonds II is a classic Amatic gem slot with 5 reels, 10 paylines, wilds, scatters, a jackpot feature, and a commonly listed 96% RTP.

Built for straightforward spins, Cool Diamonds II keeps things simple with low volatility, a gamble option, and a max win of 2,500× — plus symbol replacement that can chain wins when the reels cooperate.

Key facts at a glance

ProviderAmatic
Release dateJanuary 25, 2017
Game typeVideo slot
RTP96%
VolatilityLow
Max win2,500× bet
Reels / rows5 / 3
Paylines10
Min bet€1
Max bet€450
ThemeDiamonds, jewels, gold
Bonus buyNot available
Game parameters can vary by casino

Cool Diamonds II is known to appear with different configurations (for example RTP versions and stake limits). Always confirm the exact RTP, bet range, and jackpot rules in the in-game info screen before you play for real money.

How Cool Diamonds II plays

This is a traditional 5×3 slot with 10 fixed paylines. You set your stake and spin, aiming to land matching symbols across active lines. The visual style is “classic gems”: diamonds, rings, gold bars, and treasure-themed icons designed for quick readability.

Core features

  • Wilds substitute for other symbols to help complete paylines.
  • Stacked wilds can cover multiple positions, increasing the chance of a line win.
  • Scatters activate the bonus (exact trigger/award depends on the version).
  • Bonus symbols add extra win potential and may interact with the jackpot feature.
  • Jackpot feature (some casinos list it as progressive; always verify how it’s funded and triggered in your version).
  • Winning symbol replacement: after certain wins, the winning symbols can be replaced, allowing follow-up wins in the same spin sequence (if enabled in your build).
  • Gamble option after wins, letting you try to increase a payout (higher risk, higher variance).

Who this slot suits

  • Players who like classic paylines and simple, fast sessions.
  • Anyone looking for a low-volatility gem slot with steadier pacing.
  • Fans of gamble features who enjoy “collect or risk it” decisions after a hit.
  • Players who prefer a jackpot element without complex bonus mechanics.
Variance can jump if you gamble

The base game is typically low volatility, but using the gamble feature can make results swingy. Set a firm session budget and avoid chasing losses. Learn more at Responsible Gambling.

Bonus structure and payout profile

Cool Diamonds II focuses on classic value: line wins boosted by wilds, occasional stacked wild moments, and a bonus layer driven by scatters and bonus symbols. If your version includes winning-symbol replacement, you’ll sometimes see chained wins when the reels keep refilling in your favor.

The ceiling is a solid 2,500×, but the “feel” is usually about frequent smaller returns rather than long stretches of nothing — especially compared to high-volatility modern slots.

Practical tips before you spin

  1. Open the paytable first and confirm RTP and jackpot rules for your casino’s version.
  2. If you use the gamble feature, decide your limit in advance (for example, only on small wins).
  3. Keep stakes consistent — low-volatility games reward steady play more than aggressive bet jumps.
  4. If symbol replacement is present, watch for spins where stacked wilds appear; those sequences tend to be the best “chain win” opportunities.

Two similar slots to compare

SlotWhy it’s similarBest for
Cool DiamondsSame “classic gems” style with straightforward paylines and familiar Amatic pacing.Players who want the simplest version of the formula.
Hot DiamondsAnother gem-forward slot that leans on clean visuals and traditional mechanics.Anyone comparing classic diamond slots for steadier sessions.
Written by
Casino content researchers and editors preparing structured reviews, payment guides, provider pages, slot reviews and responsible gambling notes.
Editorial TeamFact CheckedResponsible Gambling
Reviewed by Tommy Reimers
Reviewed by
Tommy Reimers
Founder & Editor-in-Chief @ Search-Casino. Reviews editorial standards, casino rating logic and responsible gambling coverage.
E-E-A-TCasino ReviewsEditorial Review
18+Information only. Always gamble responsibly and check casino terms before playing. Read our Responsible Gambling guidance.

FAQ

What is the RTP of Cool Diamonds II?

The commonly listed RTP is 96%, but RTP can vary by casino configuration. Always confirm the RTP shown in the in-game paytable for the version you’re playing.

Is Cool Diamonds II a high or low volatility slot?

It’s commonly categorized as low volatility, meaning you’ll usually see steadier, smaller wins rather than rare massive spikes. Using the gamble feature can increase session variance.

Does Cool Diamonds II have a jackpot?

Yes, the game is listed with a jackpot feature on multiple directories, and some casinos may offer it as a progressive jackpot. Check your casino’s in-game info to see how the jackpot is triggered and whether it’s fixed or progressive.

What is the max win in Cool Diamonds II?

The maximum win is 2,500× your bet. The biggest hits typically come from strong wild alignment and bonus/jackpot interactions (depending on the version).

Can I gamble my winnings in Cool Diamonds II?

Many versions include an optional gamble feature after a win. It can increase payouts but also risks losing the win, so it’s best used sparingly and with a preset limit.

Game Screenshots