Key takeaways
- Prices here are RAP: the recent average price players paid, in Diamonds, straight from BIG Games' official API.
- Titanic and Gargantuan pets sit at the top, worth hundreds of billions of Diamonds each.
- How many of a pet exist matters as much as its class: some Huge pets have only a handful of copies.
- Every table on this page refreshes with our data, so the order changes as the market moves.
The most expensive pets right now
These are the 25 most expensive pets in Pet Simulator 99, ranked by RAP. RAP (recent average price) is what players actually paid in recent sales, in Diamonds, and it comes straight from BIG Games’ official API. Exists is how many of that pet are in the game.
RAP (recent average price) as of October 6, 2026. Updated with every data refresh.
Click any pet to see its full price chart, how its price moved, and its Golden and Rainbow prices.
The most expensive Huge pets
Titanic and Gargantuan pets are out of reach for most players. Huge pets are the ones most people trade, so here they are on their own.
| # | Pet | RAP | Exists |
|---|---|---|---|
| 1 |  Huge Crowned CorgiHuge |  89.2B Diamonds | 40 |
| 2 |  Huge Crowned CatHuge | 55.2B Diamonds | 206 |
| 3 |  Huge DemonHuge | 29.1B Diamonds | 39 |
| 4 |  Huge Crowned DogHuge | 28.5B Diamonds | 191 |
| 5 |  Huge Holographic CorgiHuge | 25.4B Diamonds | 5 |
| 6 |  Huge Wisp DeerHuge | 25.2B Diamonds | 62 |
| 7 |  Huge Present CatHuge | 24.7B Diamonds | 50 |
| 8 |  Huge Mystical FoxHuge | 23.6B Diamonds | 75 |
| 9 |  Huge Splash AngelusHuge | 23.5B Diamonds | 191 |
| 10 |  Huge Alien ArachnidHuge | 19B Diamonds | 73 |
| 11 |  Huge Stunt UnicornHuge | 18.1B Diamonds | 96 |
| 12 |  Huge Runic WolfHuge | 15.4B Diamonds | 33 |
| 13 |  Huge CatHuge | 12.6B Diamonds | 3.9K |
| 14 |  Huge Sensei PenguinHuge | 12.5B Diamonds | 50 |
| 15 |  Huge Blue Balloon CatHuge | 12.1B Diamonds | 987 |
RAP (recent average price) as of October 6, 2026. Updated with every data refresh.
The rarest pets: fewest in existence
A high price usually comes from rarity. The API also reports how many of each pet exist in the game, so here are the Huge, Titanic and Gargantuan pets with the fewest copies.
| # | Pet | RAP | Exists |
|---|---|---|---|
| 1 |  Gargantuan Clown CatGargantuan | 277B Diamonds | 3 |
| 2 | Huge Holographic CorgiHuge | 25.4B Diamonds | 5 |
| 3 |  Gargantuan Starfall DragonGargantuan | 408B Diamonds | 28 |
| 4 |  Gargantuan Exquisite ParrotGargantuan | 296B Diamonds | 28 |
| 5 |  Gargantuan Super Coral KrakenGargantuan | 182B Diamonds | 29 |
| 6 |  Gargantuan Lucki Chest MimicGargantuan | 289B Diamonds | 33 |
| 7 |  Gargantuan Frankenpup DogGargantuan | 194B Diamonds | 33 |
| 8 | Huge Runic WolfHuge | 15.4B Diamonds | 33 |
| 9 |  Titanic Starry OwlTitanic | 30.7B Diamonds | 35 |
| 10 |  Gargantuan Dot Matrix PegasusGargantuan | 335B Diamonds | 37 |
| 11 | Huge DemonHuge | 29.1B Diamonds | 39 |
| 12 |  Titanic Luxe AxolotlTitanic | 164B Diamonds | 40 |
| 13 | Huge Crowned CorgiHuge | 89.2B Diamonds | 40 |
| 14 |  Gargantuan Nyan CatGargantuan | 147B Diamonds | 42 |
| 15 |  Gargantuan Kaiju KingGargantuan | 422B Diamonds | 44 |
RAP (recent average price) as of October 6, 2026. Updated with every data refresh.
A pet with only a few copies can still be cheaper than a common Titanic if few people want it. Demand moves prices; rarity sets the ceiling.
The most expensive eggs
| # | Egg | RAP |
|---|---|---|
| 1 |  Exclusive Original EggExclusive | 14B Diamonds |
| 2 |  Exclusive Capybara EggExclusive | 10.5B Diamonds |
| 3 |  Huge Machine Angelus EggExclusive | 8.74B Diamonds |
| 4 |  Exclusive Elemental EggExclusive | 7.92B Diamonds |
| 5 |  Exclusive Neon Twilight EggExclusive | 6.77B Diamonds |
| 6 |  Exclusive Anime EggExclusive | 3.75B Diamonds |
| 7 |  Exclusive Jolly EggExclusive | 3.52B Diamonds |
| 8 |  Exclusive Balloon EggExclusive | 3.51B Diamonds |
| 9 |  Exclusive Meme EggExclusive | 3.26B Diamonds |
| 10 |  Exclusive Neon EggExclusive | 2.35B Diamonds |
RAP (recent average price) as of October 6, 2026. Updated with every data refresh.
How to use these prices
- Trading: check both sides of a trade with the trade calculator before you accept.
- Your inventory: add up everything you own with the inventory value calculator.
- Every item: browse all Pet Simulator 99 pets or the full value list with search and filters.
Try it on BloxStonksPet Simulator 99 Trade CalculatorCheck if a Pet Simulator 99 trade is a win or a loss with live RAP.→Questions
What is the most expensive pet in Pet Simulator 99?
The top of the list is always a Titanic or Gargantuan pet worth hundreds of billions of Diamonds. The live table in this article shows which one is number one right now, based on its RAP from BIG Games' official API.
What does RAP mean in Pet Simulator 99?
RAP is the recent average price: the average a pet actually sold for in recent trades and booth sales. It is the closest thing to a market price, but rare pets with few sales can jump around.
Are Pet Simulator 99 values in gems or diamonds?
Diamonds. Diamonds are the game's trading currency, and RAP is measured in Diamonds.
What is the rarest pet in Pet Simulator 99?
The rarest pets are the ones with the fewest copies in existence. Some Titanic and Gargantuan pets exist in only a few dozen copies, and a few Huge pets in even fewer. The table of the rarest pets in this article sorts them by how many exist right now.
Is a Gargantuan better than a Titanic?
Gargantuan is the newest and biggest class, but price depends on demand and how many exist. A popular Titanic can be worth more than a Gargantuan, which is why the live list mixes both.
How we checked this
Every live number (in green) comes from our own Pet Simulator 99 data and updates with it. Game facts were checked against the sources below and written in our own words. Read our editorial policy.
What changed
- First version.
We build the BloxStonks value lists, calculators and trackers, and write guides from the same data. Every number in our articles is pulled from our own game data when the page is built, so it updates when the game does.
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