IGT

Double Diamond

Single-line IGT classic defined by multiplier wild symbols

SlotRanker Score
55
/ 99
55
05099

The SlotRanker Score is calculated from the visible data below. It is not affected by affiliate deals, and it cannot be bought.

RTP
95.44%
return to player
Volatility
Medium volatility
variance
Max win
1,000×
top multiplier
Min bet
$0.02
per spin
Reels
3
1 lines
Player rating
3.9 ★
13 votes
DEMO Play free, no signup
IGT
Double Diamond
Embed on your site
3.9 / 5
13 ratings
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User ratings are shown separately from the Slot Score unless stated otherwise.

Why this score

High confidence (100%)

Five weighted signals shape the composite. Four context signals refine ties. See how we rate for the full methodology.

Slot score profile across 5 weighted categoriesPayouts & RTP8/10RTP 95.44% → 8.0/10Volatility8/10medium → 8.0/10Win Potential6/10x1000.00 (1000×) →…Features6.5/108 features → 6.5/10Game Mechanics3.3/10f=8 r=3 p=1 → 3.3/10
Payouts & RTP8/10
RTP 95.44% → 8.0/10
Volatility8/10
medium → 8.0/10
Win Potential6/10
x1000.00 (1000×) → 6.0/10
Features6.5/10
8 features → 6.5/10
Game Mechanics3.3/10
f=8 r=3 p=1 → 3.3/10
Context signals (tie-breakers)
Layout4/10
3x3 → 4.0/10
0.02–5 (×250) → 6.0/10
provider avg 5.6 → 5.6/10
synthetic proxy → 0.0/10

Popularity blends real player search demand (~30 markets) with a catalogue-derived proxy; games without measurable search demand use the proxy alone. Not live play telemetry.

Cite this score

SlotRanker Score: 55 — Double Diamond by IGT

https://slotranker.com/igt/double-diamond#score
How to cite

Slot Summary

A three-reel cabinet with one central payline gives Double Diamond almost no room for secondary distractions. IGT places the entire identity in its namesake Wild Symbol: one Double Diamond doubles a regular line win, two raise it to 4x, and three matching symbols claim the top award. The result is a Retro, medium-volatility format where each spin resolves through one visible line and one multiplier rule.
MechanicsOne wild doubles wins; two produce 4x

How It Plays

Every spin is judged on the single center payline, so there is no need to scan several line patterns. Matching symbols must settle directly across that middle route.

The compact 3x3 display makes outcomes immediate to read. Most spins resolve as conventional symbol matches, with the Double Diamond symbol altering the payout when it joins the line.

Theme & Atmosphere

Double Diamond uses Classic and Retro slot language, pairing Fruit symbols with Gems rather than placing them inside a story or character-led setting.

The Casual treatment suits the one-line format: familiar cabinet imagery keeps attention on the center payline and the value of each diamond symbol.

Features & Win Potential

The Wild Symbol substitutes within a winning combination and also acts as a Multiplier. A single Double Diamond raises the regular line award to 2x.

Landing two Double Diamond symbols in the same winning line applies 4x to the regular award. Three namesake symbols form the game's top combination instead.

Spec sheet
Double Diamond at a glance.
Identity
Slot nameDouble Diamond
StudioIGT
Released1/1/2005
Math
SlotRanker Score55
RTP95.44%
Max win1,000×
Bet range$0.02 – $5.00
Player rating3.9 / 5 · 13 votes
Format
Reels3
Paylines1
Layout3x3

True Cost to Play

Expected average based on this slot's 95.44% RTP — individual sessions vary with volatility.

Cost per hour$0.36
Cost per session$0.36

Estimate only, for entertainment purposes — treat gambling as entertainment, not a way to make money, and set a budget you can afford to lose.

Bankroll survival simulator

How long could a bankroll last on Double Diamond? We simulate thousands of sessions from this game's published RTP and volatility — the long-run math, not a prediction of your next spin.

Volatility tier: Medium

Running simulation…
How this works

Each simulated spin either misses or returns a win drawn from a log-normal distribution, with the hit rate and spread set by the slot's volatility tier (Medium). The model is calibrated so the average return equals this slot's published RTP (95.44%), with wins capped at its top multiplier (1,000×).

This is a simplified, parametric model of the game's math — not its real paytable. It exists to make the house edge visible over many sessions, so the numbers above are averages across thousands of runs, never a forecast of one.

This is math, not a prediction. Real sessions vary wildly, and no strategy changes a game's built-in house edge. Play for fun, set limits, and never bet more than you can afford to lose.

Where to play Double Diamond

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Casino availability depends on where you play from. We only show casinos that accept players from your country.

Compare Double Diamond with other games

Double Diamond
Double Diamond
Score 55This game
Hot Chilli BellsHot Chilli Bells
Score 79
Crazy DiamondsCrazy Diamonds
Score 78
Crystal ClassicsCrystal Classics
Score 80
Diamond DukeDiamond Duke
Score 75
Identity
Studio
Released1/1/20051/24/20253/21/20248/19/20215/12/2020
Math
RTP95.44%97%96.29%95.27%96.23%
VolatilityMedium volatilityHigh volatilityHigh volatilityHigh volatility
Max win1,000×5,000×15,000×27,556×8,000×
Format
Reels35553
Layout3x35x35x35x53x3
Paylines11001565
Min bet0.020.60.150.20.05
Max bet53015010100
Features
Progressive
Wild symbol
Free spins
Scatter symbol
Multiplier
Bonus game
Respins

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Questions & Answers

Double Diamond FAQ

3 questions

Double Diamond uses 1 payline running through the center of its 3-reel format.

It substitutes for another symbol on the payline, while one wild doubles a regular win and two wilds apply 4x.

The catalog lists a 95.44 RTP for this IGT slot, with medium volatility and an x1000.00 maximum win.

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