Ruby Gemstone in Fish It (March 2026) Location Guide & Tips

Hey there, fellow angler! If you’re grinding for the Diamond Rod in Fish It, you’ve probably hit that frustrating wall where you need the Ruby Mutated Gemstone. Trust me, I’ve been there – spending hours fishing only to realize I had the wrong Ruby version. That’s why I’m sharing everything I’ve learned about getting this elusive item efficiently.

The Ruby Gemstone Fish It guide you’re about to read goes beyond basic tips. I’ll show you exactly where to fish, how mutations work, and which strategies actually work in March 2026. Whether you’re just starting the Diamond Rod quest or you’ve been stuck on this step for days, this guide will get you moving forward.

What Is Ruby Mutated Gemstone in Fish It?

The Ruby Mutated Gemstone isn’t just another rare fish – it’s a Legendary item that’s absolutely crucial for your Diamond Rod progression. Here’s what makes it special:

• Still categorized as a Gemstone but with the crucial “Mutated” status
• Required for Diamond Research Quest with Larry the Scientist
• Only the mutated version works – normal Ruby won’t cut it
• Has a 1 in 15,000 base chance as a Legendary catch

What trips up most players (including myself initially) is that the Ruby Mutated looks almost identical to a normal Ruby. The only difference is that tiny “Mutated” text in the item description. If you don’t see it, Larry won’t accept your Ruby, no matter how many times you try.

Why I Love Fishing for Ruby Gemstone?

Honestly, fishing for Ruby Gemstone has become one of my favorite activities in Fish It. There’s something thrilling about the hunt – knowing that each cast could be the one that lands you that precious mutated gemstone.

What I enjoy most is the strategy involved. Unlike other fish where you can just cast and hope, Ruby hunting requires planning. You need the right location, the right gear, and the right timing. When everything clicks and you finally reel in that Ruby Mutated, the satisfaction is incredible.

Plus, the skills you develop while hunting Ruby translate to every other aspect of the game. You’ll become a better angler overall, with a deeper understanding of how luck, mutations, and locations work together.

How to Get Ruby Gemstone in Fish It?

Best Ruby Locations (Updated March 2026)

Here’s where you can actually find Ruby Gemstone – and I’ve tested all of these personally:

1. Ocean Areas – The classic spot with 1 in 15k chance
2. Tropical Grove – Same odds but often less crowded
3. Lost Isle – Treasure Room – 1 in 15k chance with better rare fish variety
4. Lost Isle – Sisyphys Statue – Another 1 in 15k chance location

Pro tip: Don’t waste your time in rivers or land fishing spots. Ruby is Ocean-exclusive and won’t appear anywhere else, no matter how long you fish.

The Mutation Process Explained

This is where most guides fall short. Getting Ruby is only half the battle – you need the mutated version. Here’s how mutations actually work:

• Base GEMSTONE mutation chance: 0.5%
• Mutation Potion dramatically increases these odds
• Mutation Hunter enchant adds +10% mutation chance
• Cursed enchant gives -75% luck but +75% mutation chance

The key is understanding that mutation is separate from the catch itself. You first need to catch a Ruby, then it has a chance to mutate based on your setup.

Fish It Codes & Freebies

Before we dive deeper, grab these active codes to boost your Ruby hunting:

• 3BILLION – Two Luck II Potions (perfect for Ruby hunting!)
• GIFTGIVING – One Epic Present
• FREEPRESENTS – Free presents
• CELEBRATE – Rare Present (requires level 10)
• COUNTTRANSCENDEDSTONES – Update Element Rod quest progress

How to redeem codes:

1. Open Fish It and reach level 10
2. Tap the Shop icon at the top
3. Scroll down to the code box
4. Enter codes and hit Redeem

Those Luck II potions from the 3BILLION code are absolute gold for Ruby hunting!

Complete Diamond Rod Quest Requirements

Since you’re here for Ruby, you’re probably working on the Diamond Rod quest. Here’s everything Larry needs:

1. Catch a Secret fish at Coral Reefs
2. Catch a Secret fish at Tropical Grove
3. Bring Lary a mutated Gemstone Ruby ← You’re here!
4. Bring Lary a Lochness Monster
5. Catch 1000 fish while using Perfect Throw

The Ruby Mutated is often the bottleneck, but completing the other requirements first can actually help. You’ll level up, get better gear, and understand the game mechanics better.

2026 Advanced Ruby Mutation Strategies

The Mutation Potion Method (Most Reliable)

This is my go-to strategy for consistent results:

1. Activate Mutation Potion before fishing
2. Do not change maps while the potion is active – this cancels the effect
3. Fish continuously until the potion duration ends
4. Focus on one location (I recommend Tropical Grove for fewer distractions)

The potion typically lasts 5-10 minutes, so make every cast count!

The Cursed Enchant Strategy (High Risk, High Reward)

If you’re feeling adventurous, try the Cursed enchant setup:

• -75% luck means fewer rare catches overall
• +75% mutation chance means more mutations when you do catch rare items
• Best combined with high-luck rods to offset the penalty

This method is controversial but can work if you have patience and the right gear.

Best Rod Setup for Ruby Hunting

Based on my testing, here’s the optimal setup:

• Diamond Rod (1300 Luck) – Best option if you have it
• Element Rod – Second best with good luck stats
• Mutation Hunter III enchant – +10% mutation chance
• Leprechaun II enchant – +30% luck boost

If you don’t have the Diamond Rod yet, the Lava Rod from Kohana Volcano is a solid free alternative with better luck than starter rods.

Tips & Tricks to Get Ruby Mutated Faster

Location Optimization

• Tropical Grove is often less crowded than Ocean areas
• Lost Isle Treasure Room has better rare fish variety while you wait
• Fish during off-peak hours for better server performance
• Use fishing radar to find boosted rate areas

Timing and Strategy

• Fish in sessions of 30-60 minutes – longer sessions lead to burnout
• Take breaks between Mutation Potions to reset your mindset
• Track your catches – if you’re not getting any rares after 100 casts, try a new spot
• Join a private server to avoid competition for fishing spots

Common Mistakes to Avoid

• Don’t exchange normal Ruby – double-check for “Mutated” status
• Don’t change maps during Mutation Potion – you’ll waste it
• Don’t fish in rivers – Ruby only appears in Ocean areas
• Don’t give up too early – sometimes it takes hundreds of casts

Latest Fish It Updates & Events

The game has seen some significant updates recently that affect Ruby hunting:

• Ancient Jungle island added with new fish types
• Mutation system rebalanced – slightly better rates for gemstone mutations
• New enchant combinations discovered by the community
• Server optimization reduces lag during peak fishing times

These updates make Ruby hunting more enjoyable than ever, with better performance and more strategic options.

FAQs About Ruby Gemstone Fish It

How long does it take to get Ruby Mutated?

This varies wildly based on luck and strategy. With Mutation Potions and good gear, I’ve gotten it in under an hour. Without optimization, it could take days of fishing.

Can I buy Ruby Mutated Gemstone?

No, Ruby Mutated can only be obtained through fishing. There’s no way to buy or trade for it in the game.

What’s the difference between Ruby and Ruby Mutated?

The only difference is the “Mutated” status. They look identical otherwise, but only the mutated version works for Larry’s quest.

Should I keep normal Ruby?

No, normal Ruby has no quest value. You can sell it for cash, but don’t waste inventory space holding onto it hoping it will mutate later.

What’s the best time to fish for Ruby?

Any time works, but I prefer early morning or late night when servers are less crowded. The fishing mechanics don’t change based on in-game time.

Conclusion

Getting the Ruby Mutated Gemstone in Fish It is definitely a challenge, but with the right strategy, it’s absolutely achievable. Remember to use those Mutation Potions wisely, fish in the right locations, and don’t get discouraged by the grind.

The Diamond Rod is worth the effort – with 1300 Luck, 150% Reel Speed, and 800,000 kg Weight capacity, it’s a game-changer for catching the biggest fish in Fish It.

I hope this Ruby Gemstone Fish It guide helps you complete your quest faster than I did mine! If you have any questions or want to share your own Ruby hunting stories, drop them in the comments below. Happy fishing!