Every Arceus & Dialga & Palkia card we price, most valuable first. Prices are what copies actually sold for, updated daily.
The same Pokemon is also printed as Arceus, priced separately because the game treats them as different cards.
What a Arceus & Dialga & Palkia card is worth
The most valuable Arceus & Dialga & Palkia on this list is Arceus & Dialga & Palkia GX (Alternate Full Art) from SM - Cosmic Eclipse at $566.16£426.12€498.60, and the 4 priced copies across 1 sets are worth $756£569€666 together. Most of that sits in a handful of printings: the older the set and the scarcer the print run, the wider the gap to the rest.
Arceus & Dialga & Palkia is printed in Japanese as well: 4 cards across 1 sets, the most valuable of them Arceus & Dialga & Palkia GX from Alter Genesis at $575£432.77€506.38. Switch the list above to Japanese to read those, or to Both to rank the two catalogues against each other.
The highest PSA 10 on record for Arceus & Dialga & Palkia sold for $3,990£3,003€3,514. Rarities here include Rainbow Rare.
If you are trying to identify which Arceus & Dialga & Palkia you have, the set name is printed on the card and the collector number sits in the bottom corner. Open the card here and the page carries every printing of it, the graded prices, and whether grading the copy is worth the fee. Sets to start with: SM - Cosmic Eclipse.