Lock it Link Diamonds Slot Review
A grand double staircase sweeps up either side of the reels, violet balustrades curving away under strings of chandelier beads, the whole grid lit like the foyer of a casino that has never heard of a budget. Lock it Link Diamonds plays its hand in that setting: a gem slot where the real prizes are hearts stamped with credit values, and none of that money moves until a single feature says so.
Light & Wonder has kept it simple: a 5×3 grid, 50 paylines, medium volatility, and a 5,000x ceiling at the top of a four-step jackpot ladder. One collecting feature carries the whole game. The diamonds themselves are mostly decor.
It’s a close cousin to Ultimate Fire Link Explosion, which plays the same hand with fire instead of hearts, and it sits alongside Huff n’ More Puff in the studio’s stable of one-big-collect titles. The staircase is prettier than either of them gets.
How the Base Game Pays
Wins follow the classic route: matching symbols on consecutive reels from the left, across any of the 50 fixed lines. Only the highest combination on each line pays, and every line win is multiplied by the bet per line. Stakes run from 0.50 to 45 per spin, which keeps the entry point friendly and the ceiling modest.
Medium volatility is the interesting choice here. These collect-and-hold games usually run hot, and a steadier setting means the base game is expected to carry more of the weight than it would in a slots-first cousin built around one enormous round.
The symbol set divides into two camps, and the split matters more than it looks:
- WILD – substitutes for everything except BONUS, HEART and GOLD HEART
- Any win containing one or more WILD pays double
- BONUS – the feature trigger, restricted to reels two, three and four
- HEART – carries a credit value, collectable only through the feature
- GOLD HEART – its own symbol type, no substitution from the wild
The wild’s doubling is the quiet engine of the base game. It turns an ordinary five-of-a-kind into something worth waiting for, and because the wild can’t touch hearts or bonuses, every doubled win comes from the paying symbols alone.
The doubling stacks cleanly with the line structure. Since only the highest combination on a line is paid, a wild-assisted win doesn’t create double-dipping – the multiplier applies once, to the best version of that line.
The middle reels carry the weight. With BONUS symbols confined to reels two, three and four, that’s where the feature action concentrates, and it gives the centre of the grid a job the outer reels don’t have.
The Lock It Feature
Hearts are the currency here. Regular HEART symbols land carrying credit values, and the GOLD HEART sits outside the wild’s reach as its own type entirely. The values stamped on hearts are real money, but only on one condition.
Heart values only leave the screen as winners when the Lock It Feature lands on that same spin. Hearts without the feature are decoration. That’s the whole tension of the base game in one rule: the money sits in plain sight, locked, until the feature opens it.
The trigger lives on the middle three reels, where the BONUS symbols appear. It’s a deliberately narrow doorway, and it keeps the feature rare enough that a full screen of loaded hearts stays a possibility rather than a habit.
In play, the loop works like this:
- HEART and GOLD HEART symbols land with credit values attached
- Those values are held on screen but aren’t yet yours
- BONUS symbols stack up on the middle reels
- When the feature fires on a spin, every heart value showing is awarded
Because collection is tied to a single spin rather than carrying over, there’s no banking heart values across rounds. Every spin resets the board, which keeps the stakes of each one self-contained: the hearts that matter are only ever the ones on screen when the feature lands.
The Jackpot Ladder
Four fixed jackpots sit above the reels, lit like the foyer they hang in. They aren’t running progressives; each is a flat amount quoted at the minimum 0.50 stake, scaling up from there with your bet:
- Mini – 20 at the 0.50 stake
- Minor – 50
- Major – 1,000
- Grand – 2,500, which works out to the game’s 5,000x ceiling
Those credit figures aren’t fixed properties of the game – they’re the ladder as it reads at the lowest stake. Play at 5 a spin and every step is ten times the size, up to a 25,000 Grand. The proportions never move; only your bet does.
The gaps tell the story. Mini to Minor is small change, but the jump from Minor to Major is where the ladder gets serious, and the Grand at 5,000x is the figure the whole game is built to chase. The hearts and the ladder are connected: the collecting feature is where the top prizes get decided.
Our Honest Verdict
Overall Rating: 8/10
Playing this is a lot of watching money you can’t have. Loaded hearts stack up spin after spin, disappear, and stack up again, and the reason to sit through that loop is the moment the feature finally fires and the whole board pays at once. Under those chandeliers, the wait is at least a pretty one.
The doubling wild is what makes the waiting bearable – it’s a genuinely generous base-game rule that pays twice on any win it touches. What lets the side down is variety: one feature and no free spins means the route to the Grand is the same corridor walked over and over.
This suits players who like one mechanic done properly and don’t need a second act. Variety hunters and multiplier chasers will drift off early. For everyone else, the foyer’s warm, the loop holds, and the game knows exactly what it is.
Lock it Link Diamonds FAQs
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When do HEART symbol values pay out in Lock it Link Diamonds?
Only when the Lock It Feature is triggered on that spin. Hearts that land without the feature simply don’t pay – their values stay locked on screen until the reels reset. -
Is Lock it Link Diamonds high volatility?
No. The game runs at medium volatility, so swings are moderate and sessions tend to be steadier than a high-variance collect-and-hold title. That suits longer play on a modest bankroll. -
How many paylines does Lock it Link Diamonds have?
There are 50 fixed paylines. Wins need matching symbols on consecutive reels starting from the left, and only the highest combination on each line is paid. -
What is the grid size of Lock it Link Diamonds?
It’s a 5×3 grid: five reels and three rows. BONUS symbols only appear on the middle three reels, which is also where the feature action is concentrated. -
What is the minimum and maximum bet on Lock it Link Diamonds?
You can stake anything from 0.50 up to 45 per spin. All line wins are multiplied by the bet per line, and the jackpot ladder scales with your stake. -
What is the maximum win on Lock it Link Diamonds?
The maximum win is 5,000x your stake, paid by the Grand jackpot at the top of the four-step ladder. The ladder’s amounts are quoted at the minimum 0.50 stake and scale with your bet. -
Which reels does the BONUS symbol appear on in Lock it Link Diamonds?
BONUS symbols only land on reels two, three and four. Those middle reels are where the Lock It Feature is triggered, and the wild can’t substitute for BONUS. -
What does the WILD substitute for in Lock it Link Diamonds?
The WILD substitutes for all symbols except BONUS, HEART and GOLD HEART. Any winning combination that includes one or more WILD pays double, which makes it the most valuable symbol on the reels.


