Welcome back!

Please login again

Username/Email

Password

Date or birth

Forgot your password? Create account

Forgot password

Please enter your e-mail address. We will send password reset instructions shortly.

THERE'S ONLY

ONECASINO

Access

Promotions

Diamonds of the Realm

2021 | Play'n Go

Play Diamonds of the Realm

Diamonds of the Realm

Following their epic adventure in The Sword and the Grail, King Arthur and Queen Guinevere must battle their foes once again! The Diamond of the Realm have been stolen by their fiendish enemies, Morgan and Modred. In this epic tale of war and fortune, the king and queen must lead their armies on a perilous quest to take back their precious gemstones and return them to their rightful place within the walls of Camelot.

Top Games

Explore all

Massive Gold MAXXED
Video Slot (Games Global)

Book of Dead
Video Slot (Play'n Go)

Hot to Burn
Video Slot (Pragmatic Play)

Thunder Coins: Hold and Win
Video Slot (Games Global)

Cash Strike Power Up
Video Slot (Blueprint)

Dragons of Arcane Wild
Video Slot (Games Global)

Money Train 3
Video Slot (Relax Gaming)

10000 BC 2 Doublemax
Video Slot (Yggdrasil)

King Kong Cash Even Bigger Bananas 4
Video Slot (Blueprint)

Big Bass Amazon Xtreme
Video Slot (Pragmatic Play)

Rise of Olympus
Video Slot (Play'n Go)

Wild Stacks Super Spins
Video Slot (Games Global)

4 Fantastic Vikings Go Fishing
Video Slot (Yggdrasil)

333 Boom Banks Power Combo
Video Slot (Games Global)

Boomstick Bill
Video Slot (Games Global)

Big Bad Wolf: Pigs of Steel
Video Slot (Quickspin)

Cash Truck Begins
Video Slot (Quickspin)

Wolf Gold Ultimate
Video Slot (Pragmatic Play)

Fire Joker
Video Slot (Play'n Go)

Kingfisher Rising
Video Slot (Games Global)

Energy Joker: Hold and Win
Video Slot (Games Global)

Starburst
Video Slot (Evolution)

Cash Strike Hotstepper
Video Slot (Blueprint)

Fire Joker 100
Video Slot (Play'n Go)

3 Magic Lamps: Hold and Win
Video Slot (Games Global)

Mega Don Feeding Frenzy
Video Slot (Play'n Go)

Crabby's Gold
Video Slot (Play'n Go)

Golden Winner
Video Slot (Games Global)

Legacy of Dead
Video Slot (Play'n Go)

3 Pirate Barrels: Hold and Win
Video Slot (Games Global)

Area Link Dragon
Video Slot (Games Global)

5 Sevens Hold & Win
Video Slot (Yggdrasil)

Wild West Gold
Video Slot (Pragmatic Play)

Gold Blitz Ultimate
Video Slot (Games Global)

Legion Gold Victory!
Video Slot (Play'n Go)

Eastern Emeralds
Video Slot (Quickspin)

Gonzo's Quest
Video Slot (Evolution)

Legacy of Egypt
Video Slot (Play'n Go)

Epic Fish: Net of Fortune
Video Slot (Quickspin)

Big Bass Bonanza
Video Slot (Pragmatic Play)

Twofold The Gold
Video Slot (Games Global)

Gates of Olympus
Video Slot (Pragmatic Play)

The Big Five
Video Slot (Exclusive)

12 Masks of Fire Drums
Video Slot (Games Global)

Reactoonz
Video Slot (Play'n Go)

Dynamite Riches Megaways
Video Slot (Red Tiger)

Mystery
Video Slot (Exclusive)

Fire in the Hole 2
Video Slot (Nolimit City)

Diamonds
Classic Slot (Exclusive)

Starburst Galaxy
Video Slot (Evolution)

Super Flip
Video Slot (Play'n Go)

Live Blackjack
Live Casino (Evolution)

Sienna Steele
Video Slot (Games Global)

Sweet Bonanza
Video Slot (Pragmatic Play)

Joker's Jewels
Video Slot (Pragmatic Play)

Big Bass Splash
Video Slot (Pragmatic Play)

Midas Golden Touch
Video Slot (Thunderkick)

Wolf Gold
Video Slot (Pragmatic Play)

Esqueleto Explosivo 2
Video Slot (Thunderkick)

Rich Wilde and the Tome of Madness
Video Slot (Play'n Go)

4 Fantastic Fish Amazon Adventure
Video Slot (Yggdrasil)

Shining Hot 5
Video Slot (Pragmatic Play)

6 Jokers
Video Slot (Pragmatic Play)

Fruit Party 2
Video Slot (Pragmatic Play)

Majestic Fury Megaways Unleashed
Video Slot (Blueprint)

Sticky Bandits: Trail of Blood
Video Slot (Quickspin)

Piggy Power: Hit The Bonus
Video Slot (Games Global)

Royal Coins 2 : Hold and Win
Video Slot (Games Global)

Hot to Burn Hold and Spin
Video Slot (Pragmatic Play)

Bounty County
Video Slot (Relax Gaming)

Ancient Tumble
Video Slot (Relax Gaming)

Exclusive

Explore all

The Big Five
Video Slot (Exclusive)

Mystery
Video Slot (Exclusive)

Wild Stars
Video Slot (Exclusive)

Hot Wild
Video Slot (Exclusive)

Zeus & Hera
Video Slot (Exclusive)

Book of the Gods
Video Slot (Exclusive)

Furry Vikings
Video Slot (Exclusive)

Fantasia
Video Slot (Exclusive)

Holy Stones
Video Slot (Exclusive)

Scrappy
Video Slot (Exclusive)

Treasure Island
Video Slot (Exclusive)

Tiger Fist
Video Slot (Exclusive)

Bandit Rabbits
Video Slot (Exclusive)

Dynamine
Video Slot (Exclusive)

Diamonds
Classic Slot (Exclusive)

Snow White 2
Video Slot (Exclusive)

€ 25 000

Lucky Charm
Scratch Card (Exclusive)

Casino Hold'em
Table Game (Exclusive)

Blazing
Video Slot (Exclusive)

Cleopatra
Video Slot (Exclusive)

Blaster Master
Video Slot (Exclusive)

€ 77 777

Lucky 7
Scratch Card (Exclusive)

Snow White
Video Slot (Exclusive)

Video Poker Jacks or Better
Other (Exclusive)

Benny the Cat
Video Slot (Exclusive)

Game of the week

Super Flip is a 5-reel video slot game. Three or more SUPER FLIP scatter symbols on the reels trigger the free spins feature. During the free spins, the reels are flipped, putting the last reel first and the first reel last for an increased chance to win big! The free spins feature can be re-triggered up to a total of 90 spins!

PLAY NOW

New Games

Explore all

Majestic Fury Power 5
Video Slot (Blueprint)

Fire Joker Blitz
Video Slot (Play'n Go)

Aztec Hero
Video Slot (Games Global)

Jackpot Blaze
Video Slot (Pragmatic Play)

Carnival Queen 2
Video Slot (Thunderkick)

Dragons Erupt
Video Slot (Games Global)

Hyper Star MultiChase
Video Slot (Games Global)

Dark Waters 2 Power Combo
Video Slot (Games Global)

Area Link All the Luck
Video Slot (Games Global)

Frontier Lock & Load
Video Slot (Yggdrasil)

Leprechaun's Diamond Dig
Video Slot (Play'n Go)

Piggy Riches 3: Hog Heaven
Video Slot (Evolution)

Aura God
Video Slot (Relax Gaming)

Wolf Gold 4 Pack
Video Slot (Pragmatic Play)

Alpha Gods Anubis
Video Slot (Games Global)

Legend of Odysseus
Video Slot (Relax Gaming)

Fire Stampede 2
Video Slot (Pragmatic Play)

Spinnin' Records: Raving Reels
Video Slot (Play'n Go)

4 Wolves of Fortune
Video Slot (Yggdrasil)

Hacker's Haven
Video Slot (Yggdrasil)

Wild Beans
Video Slot (Quickspin)

Elementastic Tug of War
Video Slot (Games Global)

Give Me Gold: Mine n' Shine POWER COMBO
Video Slot (Games Global)

Juicy Pop
Video Slot (Yggdrasil)

Gator Hunters
Video Slot (Nolimit City)

13th Trial Hercules Abyssways
Video Slot (Play'n Go)

Fyrefang Cash Uncovered
Video Slot (Games Global)

ClusterBuck
Video Slot (Games Global)

Big Cat Gold
Video Slot (Blueprint)

Super Flip Deluxe
Video Slot (Play'n Go)

Trending Games

Explore all

Hot to Burn Extreme
Video Slot (Pragmatic Play)

Sticky Bandits: Trail of Blood
Video Slot (Quickspin)

Piggy Power: Hit The Bonus
Video Slot (Games Global)

Gargantoonz
Video Slot (Play'n Go)

Majestic Fury Megaways Unleashed
Video Slot (Blueprint)

Hot to Burn Multiplier
Video Slot (Pragmatic Play)

Tiger Shrine
Video Slot (Relax Gaming)

Big Bass Amazon Xtreme
Video Slot (Pragmatic Play)

Money Train 3
Video Slot (Relax Gaming)

Legion Gold
Video Slot (Play'n Go)

Wild Stacks Super Spins
Video Slot (Games Global)

10000 BC 2 Doublemax
Video Slot (Yggdrasil)

Mirror Joker
Video Slot (Play'n Go)

4 FOXX Crew WildEnergy MultiMax
Video Slot (Yggdrasil)

Fire Joker 100
Video Slot (Play'n Go)

Pearl o’ Plinko - Mermaid Cove
Video Slot (Quickspin)

Cash Truck Begins
Video Slot (Quickspin)

Legacy of Egypt
Video Slot (Play'n Go)

Sticky Bandits
Video Slot (Quickspin)

10000X Gold
Video Slot (Yggdrasil)

6 Jokers
Video Slot (Pragmatic Play)

Pearl o’ Plinko – Fire & Bones
Video Slot (Quickspin)

Crabby's Gold
Video Slot (Play'n Go)

Big Bad Wolf: Pigs of Steel
Video Slot (Quickspin)

Hot Fiesta
Video Slot (Pragmatic Play)

Brick House Bonanza
Video Slot (Pragmatic Play)

Gonzo's Quest
Video Slot (Evolution)

Scepter of Anubis
Video Slot (Quickspin)

Wisdom of Athena 1000
Video Slot (Pragmatic Play)

Rich Wilde and the Amulet of Dead
Video Slot (Play'n Go)

Classics

Explore all

Diamonds
Classic Slot (Exclusive)

Spin4Gold
Classic Slot (Exclusive)

Bulls eye
Classic Slot (Exclusive)

Mega 1000
Classic Slot (Exclusive)

Lucky Stars
Classic Slot (Exclusive)

Devils Time
Classic Slot (Exclusive)

Tornado
Classic Slot (Exclusive)

Yggdrasil

Explore all

Rise of Atlantis
Video Slot (Blueprint)

Explore all

All Slots

Explore all

5 Sevens Hold & Win
Video Slot (Yggdrasil)

4K Ultra Gold
Video Slot (Yggdrasil)

Wings of Ra
Video Slot (Red Tiger)

Inferno Star
Video Slot (Play'n Go)

Hot to Burn Hold and Spin
Video Slot (Pragmatic Play)

2 Fast 2 Fruity
Video Slot (Yggdrasil)

Rich Wilde and the Amulet of Dead
Video Slot (Play'n Go)

Reno 7's
Video Slot (Quickspin)

Reactoonz 2
Video Slot (Play'n Go)

Scepter of Anubis
Video Slot (Quickspin)

3 Luxor Pots: Hold and Win
Video Slot (Games Global)

Sticky Bandits
Video Slot (Quickspin)

Legion Gold Victory!
Video Slot (Play'n Go)

10000X Gold
Video Slot (Yggdrasil)

Fruit Party
Video Slot (Pragmatic Play)

Tanked
Video Slot (Nolimit City)

Legacy of Egypt
Video Slot (Play'n Go)

Wild Frames
Video Slot (Play'n Go)

Gonzo's Quest
Video Slot (Evolution)

Wisdom of Athena 1000
Video Slot (Pragmatic Play)

Brick House Bonanza
Video Slot (Pragmatic Play)

Bunny Loot
Video Slot (Games Global)

John Hunter and the Book of Tut
Video Slot (Pragmatic Play)

Epic Fish: Net of Fortune
Video Slot (Quickspin)

Chilli Heat
Video Slot (Pragmatic Play)

Diamond Delirium
Video Slot (Yggdrasil)

Rise of Olympus 100
Video Slot (Play'n Go)

Royal Coins: Hold and Win
Video Slot (Games Global)

3 Pots Riches Extra : Hold and Win
Video Slot (Games Global)

King Power
Video Slot (Yggdrasil)

Cash Strike
Video Slot (Blueprint)

Hot to Burn - 7 Deadly Free Spins
Video Slot (Pragmatic Play)

Kingfisher Rising
Video Slot (Games Global)

Big Bass Keeping it Reel
Video Slot (Pragmatic Play)

25 Cookies: Hit the Bonus
Video Slot (Games Global)

Arizona Heist: Hold and Win
Video Slot (Games Global)

Starburst Galaxy
Video Slot (Evolution)

Blue Wizard
Video Slot (Quickspin)

Buffalo Power Megaways
Video Slot (Games Global)

Thor's Hammer Time
Video Slot (Yggdrasil)

Mafioso
Video Slot (Yggdrasil)

Supercharged Clovers: Hold and Win
Video Slot (Games Global)

5 Lions Megaways 2
Video Slot (Pragmatic Play)

Legion Gold and the Sphinx of Dead
Video Slot (Play'n Go)

Clover Charm: Hit the Bonus
Video Slot (Games Global)

Moon Princess 100
Video Slot (Play'n Go)

50 Jokers Hotfire
Video Slot (Yggdrasil)

Fire in the Hole 2
Video Slot (Nolimit City)

Energy Joker: Hold and Win
Video Slot (Games Global)

777 Volt Gigablox
Video Slot (Yggdrasil)

Epic Fish Adventure
Video Slot (Quickspin)

Rich Wilde and the Tome of Madness
Video Slot (Play'n Go)

Bruno's Vegas Gold Blitz
Video Slot (Games Global)

Rise of Olympus
Video Slot (Play'n Go)

Mirror Joker
Video Slot (Play'n Go)

Sakura Fortune Epic Bloom
Video Slot (Quickspin)

Energy Coins: Hold and Win
Video Slot (Games Global)

Bonanza Rush Express
Video Slot (Games Global)

Chests of Cai Shen
Video Slot (Pragmatic Play)

Rich Wilde and the Tome of Insanity
Video Slot (Play'n Go)

Joker's Jewels Wild
Video Slot (Pragmatic Play)

Pink Joker: Hold and Win
Video Slot (Games Global)

Mental
Video Slot (Nolimit City)

3 Lucky Hippos
Video Slot (Games Global)

Beef Up the Bonus
Video Slot (Games Global)

Wild Pops
Video Slot (Yggdrasil)

Temple Stacks - Splitz
Video Slot (Yggdrasil)

Holiday Season
Video Slot (Play'n Go)

Happy Halloween
Video Slot (Play'n Go)

€ 29 199

Holmes & The Stolen Stones
Video Slot (Yggdrasil)

Royal Family
Video Slot (Yggdrasil)

Dungeons and Diamonds
Video Slot (Games Global)

€ 2 702

Gunslinger: Reloaded
Video Slot (Play'n Go)

Da Vinci's Treasure
Video Slot (Pragmatic Play)

Grim Muerto
Video Slot (Play'n Go)

Golden Legend
Video Slot (Play'n Go)

€ 7 521

Golden Goal
Video Slot (Play'n Go)

Golden Colts
Video Slot (Play'n Go)

Gold Trophy 2
Video Slot (Play'n Go)

Gold King
Video Slot (Play'n Go)

Game of Gladiators
Video Slot (Play'n Go)

€ 27 394

Fruit Bonanza
Video Slot (Play'n Go)

Fortune Teller
Video Slot (Play'n Go)

FU ER DAI
Video Slot (Play'n Go)

Cash Bonanza
Video Slot (Pragmatic Play)

Fire Stampede
Video Slot (Pragmatic Play)

Lord Merlin and the Lady of the Lake
Video Slot (Play'n Go)

energoonz
Video Slot (Play'n Go)

Enchanted Meadow
Video Slot (Play'n Go)

Enchanted Crystals
Video Slot (Play'n Go)

Fishin Reels
Video Slot (Pragmatic Play)

Fire Joker Freeze
Video Slot (Play'n Go)

Dragon Kingdom
Video Slot (Pragmatic Play)

Octopus Treasure
Video Slot (Play'n Go)

Candy Jar Clusters
Video Slot (Pragmatic Play)

Piggy Bank Farm
Video Slot (Play'n Go)

Easter Eggs
Video Slot (Play'n Go)

Sticky Joker
Video Slot (Play'n Go)

Coils of cash
Video Slot (Play'n Go)

Sugar Rush Xmas
Video Slot (Pragmatic Play)

Gameproviders

Nederland Danmark España International

Why choose One Casino? Responsible gaming Promotions About us

Casino Slots Live Casino Blog

Help centre Information Game rules

Gambling can be addictive. Play responsibly. gambleaware Age 18+

and over only.

One Casino Limited is registered in accordance to the Maltese law with registration number C 73399. One Casino Limited is licensed to provide an online gaming operation by the Malta Gaming Authority, which serves players in jurisdictions including Ireland, in accordance with license number: MGA/B2C/327/2016 issued on December 16th 2016.

Your session expired

Welcome back!

Please login again

Forgot password

Two Factor Authentication

Diamonds of the Realm

Diamonds of the Realm

Top Games