13
Novomatic
🔥 CASINO DEAL 🔥
Play with a Bonus at Sloto'Cash Casino
We offer over 32,178 free slots. Start here.
You are here:
Play Diamond Mystery - 100 Charming 7's™ for Free
Novomatic
4
1 Ratings
Rate this Game
Play this Game at the Casino
#1 Casino for Players in United States
Get 300% up to $3000 + 30 Free Spins on Fortunate Buddha
Rating
Gold Award
Get 300% up to $3000 + 30 Free Spins on Fortunate Buddha
Payment Methods
Amex, Bank Wire, Bitcoin, Diners club international, Easyeft, Mastercard, Paysafecard, Visa, Discover, Interac
Exclusive to VegasSlotsOnline
Get 300% up to $3000 + 50 Free Spins
Rating
Silver Award
Get 300% up to $3000 + 50 Free Spins
Payment Methods
Bank Wire, Bankcontact Mistercash, Dotpay, Euteller, Giropay, Ideal, Mastercard, Multibanco, Neosurf, Neteller
#3
Get a 300% Match Bonus up to $7,000 + 45 FS or (Crypto only) 500% up to $7,500 + 50 FS
Rating
Get a 300% Match Bonus up to $7,000 + 45 FS or (Crypto only) 500% up to $7,500 + 50 FS
Payment Methods
Amex, Fastbanktransfer, Giropay, Ideal, Mastercard, Neteller, Paysafecard, Skrill, Ukash, Usemybank
#4
Get 200% up to $3000 + 30 Free Spins
Rating
Gold Award
Get 200% up to $3000 + 30 Free Spins
Payment Methods
Amex, Bank Transfer, Bitcoin, Mastercard, Visa, Ethereum, Interac, Litecoin
#5
Get 250% up to $2,500 + 50 Free Spins on the hottest slots
Rating
Gold Award
Get 250% up to $2,500 + 50 Free Spins on the hottest slots
Payment Methods
Bank Wire, Mastercard, Neteller, Visa
Exclusive to VegasSlotsOnline
Get 400% Up to $4,000 + 44 Free Spins
Rating
Gold Award
Get 400% Up to $4,000 + 44 Free Spins
Payment Methods
Amex, Bitcoin, Eco, Mastercard, Neteller, Paysafecard, Quickcash, Skrill, Ukash, Visa
Similar Games
Da Vinci Diamonds
4.1
RTP
94.94
Similar Games
20
Reel
5
Layout
0
She's a Rich Girl
3.3
RTP
95
Similar Games
9
Reel
5
Layout
0
Blazin' Bullfrog
3.9
RTP
96.2
Similar Games
243
Reel
5
Layout
0
Mr. Diamond: Ultra Link
3.7
RTP
96.83
Similar Games
10
Reel
5
Layout
0
Volcano Explosive Hold and Win™
3.7
RTP
96.05
Similar Games
10
Reel
5
Layout
0
River of Styx
4.0
RTP
96.6
Similar Games
0
Reel
6
Layout
0
Da Vinci Diamonds MegaJackpots
3.5
RTP
91
Similar Games
20
Reel
5
Layout
0
Wish for a Cash Star
4.1
RTP
95.75
Similar Games
10
Reel
5
Layout
0
Space Gems Rockblocks
4.2
RTP
94.9
Similar Games
0
Reel
6
Layout
0
Mystery Mine
4.1
RTP
95.44
Similar Games
50
Reel
5
Layout
0
Diamond Mystery – 100 Charming 7s™ Slot Review
Play Diamond Mystery – 100 Charming 7s™ slot online and win prizes on 100 paylines. Hit big winning combos with lucky 7s wilds and star scatters. Double your winnings using the card gamble feature.
Activate the Diamond Mystery Feature and collect emeralds, sapphires, rubies, and diamonds to win one of four jackpot prizes. Spin for free, or play Diamond Mystery – 100 Charming 7s™ for real money at the best online casinos.
Game Info
Return to Player
95.48
Provider
Novomatic
Autoplay
Bonus Buy
Bonus Rounds
Cascading Reels/Avalanche Feature
Cluster Pays
Expanding
Free Spins
Gamble
Jackpot Slots
Megaways
Mobile
Multiplier Symbols
Mystery
Scatter Symbols
Spreading
Stacked
Sticky
Number of Paylines
100
Layout
5-4
Min Bet
0.2
Max Bet
50
Release Date
4/14/2025
Last Update
8/12/2025
About Novomatic Game Provider
Other Games from Novomatic
Top Real Money Casinos to play this game
#1 Casino for Players in United States
Get 300% up to $3000 + 30 Free Spins on Fortunate Buddha
Rating
Gold Award
Get 300% up to $3000 + 30 Free Spins on Fortunate Buddha
Payment Methods
Amex, Bank Wire, Bitcoin, Diners club international, Easyeft, Mastercard, Paysafecard, Visa, Discover, Interac
Exclusive to VegasSlotsOnline
Get 300% up to $3000 + 50 Free Spins
Rating
Silver Award
Get 300% up to $3000 + 50 Free Spins
Payment Methods
Bank Wire, Bankcontact Mistercash, Dotpay, Euteller, Giropay, Ideal, Mastercard, Multibanco, Neosurf, Neteller
#3
Get a 300% Match Bonus up to $7,000 + 45 FS or (Crypto only) 500% up to $7,500 + 50 FS
Rating
Get a 300% Match Bonus up to $7,000 + 45 FS or (Crypto only) 500% up to $7,500 + 50 FS
Payment Methods
Amex, Fastbanktransfer, Giropay, Ideal, Mastercard, Neteller, Paysafecard, Skrill, Ukash, Usemybank
#4
Get 200% up to $3000 + 30 Free Spins
Rating
Gold Award
Get 200% up to $3000 + 30 Free Spins
Payment Methods
Amex, Bank Transfer, Bitcoin, Mastercard, Visa, Ethereum, Interac, Litecoin
#5
Get 250% up to $2,500 + 50 Free Spins on the hottest slots
Rating
Gold Award
Get 250% up to $2,500 + 50 Free Spins on the hottest slots
Payment Methods
Bank Wire, Mastercard, Neteller, Visa
Exclusive to VegasSlotsOnline
Get 400% Up to $4,000 + 44 Free Spins
Rating
Gold Award
Get 400% Up to $4,000 + 44 Free Spins
Payment Methods
Amex, Bitcoin, Eco, Mastercard, Neteller, Paysafecard, Quickcash, Skrill, Ukash, Visa
Enjoy Novomatic’s Typical Characteristics
The Diamond Mystery – 100 Charming 7s™ slot machine is similar to many of the best online slots by Novomatic, giving you chances to win big prizes and jackpots. Low to medium-paying symbols include fruits like watermelons, grapes, and cherries. Hit high-paying combos on the 5x4 reel matrix by landing lucky 7 wilds and star scatters on your mobile phone or desktop.
Win on 100 Paylines
Adapt the Diamond Mystery – 100 Charming 7s™ online slot to suit your bankroll with spin-stakes from 0.20 to 50 coins. Hit low to medium-paying winning combos by lining up three, four, or five fruits on one or more of the 100 paylines. Hit top non-feature payouts of up to 500 coins with five-of-a-kind lucky 7s. Play at popular slot sites and enjoy an RTP of 95.48%.
Enjoy Charming Features
One of the biggest charms of the Diamond Mystery – 100 Charming 7s slot machine is its enjoyable features. Play at the best real money casinos to reap your rewards.
Gamble Feature – Predict whether a playing card will be red or black to double your winnings.
Wild Symbols – Lucky 7s are wild and substitute for the other symbols to create more winning combos. Fill the reels with lucky 7s to win 1,000x your bet.
Scatter Symbols – Three, four, or five stars pay up to 200, 1,000, and 25,000 coins in any position.
Diamond Mystery Feature – This may trigger after any spin. Pick gems that will win you one of the emerald, sapphire, ruby, or diamond jackpots highlighted above the reels.
Symbols
Top Payouts
Lucky 7s
50,000
Star Scatters
25,000
Grapes
200
Watermelons / Plums
100
Lemons / Oranges / Cherries
50
Explore the 100 Club
The Diamond Mystery – 100 Charming 7s™ slot machine is a big hit with players that enjoy 100 paylines. Spin similar slots like 100 Golden Coins or 100 Hold Hot Hold & Win.
Unravel the Mystery
Our Diamond Mystery – 100 Charming 7s™ review highlights the wilds, scatters, and jackpots that make this hot slot worth a spin at our recommended online casinos.
Play Diamond Mystery – 100 Charming 7s™ for free or real money. Spin other top slots by Novomatic below.
Diamond Mystery – 100 Charming 7s™ Slot FAQs
Can I play Diamond Mystery – 100 Charming 7s™ for free?
Yes! Play Diamond Mystery – 100 Charming 7s™ for free here at VegasSlotsOnline, home to over 20,000 free slots from Novomatic and many more of the best software providers.
Where can I play Diamond Mystery – 100 Charming 7s™ for real money?
Diamond Mystery – 100 Charming 7s™ is one of the best real money slots by Novomatic, and you can spin it at the top slot sites. Sign up and claim your welcome bonuses.
Can I play Diamond Mystery – 100 Charming 7s™ in my country?
Diamond Mystery – 100 Charming 7s™ can be played in many countries. Check if it’s available in yours by spinning our free demo game or play for real money at the top new casinos.
Can I win jackpots?
Yes! When the Diamond Mystery Feature is activated after a non-winning spin, you’ll pick emeralds, sapphires, rubies, and diamonds until you win one of the corresponding jackpot prizes.
What deposit methods can I use?
You can use deposit methods like credit cards and e-wallets to play the Diamond Mystery – 100 Charming 7s™ online slot. Deposit funds at popular online casinos and claim your welcome offers.
