JDB

Lucky Diamond

Slots Classic Slots Fruit Retro Gems Luxury

JDB retro fruit slot centered on one line and locked Wilds

SlotRanker Score

/ 99

05099

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

How this score is built

RTP

96%

return to player

Volatility

Low volatility

variance

Max win

1,000×

top multiplier

Min bet

$0.01

per spin

Reels

1 lines

Player rating

4.0 ★

3 votes

DEMO Play free, no signup

JDB

Embed on your site

4.0 / 5

3 ratings

User ratings are shown separately from the Slot Score unless stated otherwise.

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

Payouts & RTP9/10

RTP 96% → 9.0/10

Volatility6/10

low → 6.0/10

Win Potential6/10

x1000.00 (1000×) → 6.0/10

Features5/10

6 features → 5.0/10

Game Mechanics3.3/10

f=6 r=3 p=1 → 3.3/10

Context signals (tie-breakers)

Layout4/10

3x3 → 4.0/10

Bet Flexibility2/10

0.01–0.1 (×10) → 2.0/10

Provider Reputation5.1/10

provider avg 5.1 → 5.1/10

Popularity0/10

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: 51 — Lucky Diamond by JDB

https://slotranker.com/jdb/lucky-diamond#score

How to cite

Slot Summary

Land Wilds on both outer reels and the middle reel gets another chance to complete Lucky Diamond's single-line result. JDB keeps the format deliberately narrow, pairing a 3x3 catalog layout with Low volatility and a 96% RTP. Its Fruit, Gems, Luxury, and Retro identity supports a simple feature structure in which Respins lead toward an open-ended Free Spins round controlled by an Exit symbol.

How It Plays

Lucky Diamond reduces the base game to a single payline across 3 reels. Ordinary results resolve quickly, while Wild positions on the outer reels determine whether another center-reel attempt follows.

That center-reel Respin is the decisive interruption to the base loop. It can complete a regular combination or land the Diamond required to move into Free Spins.

Theme & Atmosphere

Fruit and Gems imagery connects Lucky Diamond to Retro slot conventions, while the Luxury label comes through the diamond and crowned Wild symbols rather than a detailed narrative.

The restrained presentation suits the 3-reel format. Symbols need to communicate their function immediately because every result, Respin, and feature trigger depends on one central line.

Fruit Retro Gems Luxury

Features & Win Potential

Respins activate through Wild Symbol placement on the outside reels, leaving the middle reel to resolve the next opportunity. This keeps the feature focused on one position.

The Wild Symbol substitutes within regular combinations and also contributes to feature activation. Its location matters as much as its substitution role in this compact design.

Free Spins Wild Symbol Respins Low volatility 3 Reels 96% RTP

Bonus & Free Spins

Free Spins begin when the Diamond lands between the required outer Wilds. Those Wilds remain fixed, repeatedly giving the center reel a chance to form a paying line.

Additional Free Spins do not arrive as a fixed retrigger award. Instead, the feature continues without a preset count and ends only when its Exit symbol appears.

Spec sheet

Lucky Diamond at a glance.

Identity

Slot nameLucky Diamond

StudioJDB

Released11/19/2020

Math

SlotRanker Score51

RTP96%

VolatilityLow volatility

Max win1,000×

Bet range$0.01 – $0.10

Player rating4.0 / 5 · 3 votes

Format

Reels3

Paylines1

Layout3x3

Features

Themes

Expected average based on this slot's 96% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$0.16

Cost per session$0.16

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

How long could a bankroll last on Lucky 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.

Bankroll ($)Bet per spin ($)Speed

Volatility tier: Low

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 (Low). The model is calibrated so the average return equals this slot's published RTP (96.00%), 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 Lucky Diamond

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Compare Lucky Diamond with other games

	Lucky Diamond Score 51This game	Divine Diamonds Score 73	7’s Club Deluxe Score 73	Retro Reels Diamond Glitz Score 68	Shanghai Night Score 66
Identity
Studio	JDB	Northern Lights Gaming	Triple Cherry	Games Global	Genesis
Released	11/19/2020	4/29/2021	2/20/2025	1/10/2011	3/2/2018
Math
RTP	96%	96.24%	96.02%	96.47%	97.1%
Volatility	Low volatility	Medium volatility	Medium/High	Low volatility	Medium volatility
Max win	1,000×	2,250×	3,783×	1,000×	—
Format
Reels	3	5	5	5	3
Layout	3x3	5x3	5x3	5x3	3x3
Paylines	1	20	25	25	1
Min bet	0.01	0.2	0.5	0.25	0.4
Max bet	0.1	120	50	125	80
Features
Progressive	—	—	—	—	—
Wild symbol	✓	✓	✓	—	✓
Free spins	✓	✓	—	✓	✓
Scatter symbol	—	✓	—	✓	—
Multiplier	—	✓	✓	✓	✓
Bonus game	—	✓	✓	—	—
Respins	✓	✓	—	✓	—

Every number is shown as a delta against Lucky Diamond.

Comparing against

Lucky Diamond

JDB

RTP

96%

Max win

1,000×

Score

Divine Diamonds

Northern Lights Gaming

+ Scatter+ Multiplier+ Bonus Game

+ Multiplier+ Bonus Game− Free Spins− Respins

Retro Reels Diamond Glitz

+ Scatter+ Multiplier− Wild

+ Multiplier− Respins

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