Gargantuan Kaiju King
422B diamondsExclusive#4 most valuable44 exist
Gargantuan Kaiju King is currently valued at 422B diamonds in Pet Simulator 99, making it the #4 most valuable tracked item. It is an Exclusive item. Values reflect trader consensus as of 1 November 2026. Before you accept any offer for Gargantuan Kaiju King, run both sides through the WFL calculator. A fair trade lands within about 10% of even.
Gargantuan Kaiju King value by variant
Recent average price for each version, with how many copies exist. Rarer variants trade well above the normal pet:
| Variant | Value | Exist |
|---|---|---|
| Normal | 422B diamonds | 44 |
| Rainbow | Too few sales | 3 |
| Shiny | Too few sales | 4 |
Fair trades for Gargantuan Kaiju King
Items worth about the same, one-for-one swaps with these are close to fair:
| Item | Value | Rarity | Demand |
|---|---|---|---|
 Gargantuan Hypnotic Kitsune | 471B diamonds | Exclusive | – |
 Gargantuan Starfall Dragon | 408B diamonds | Exclusive | – |