Every Crystal Cave card we price, most valuable first. Prices are what copies actually sold for, updated daily.
What a Crystal Cave card is worth
The most valuable Crystal Cave on this list is Crystal Cave (Secret) from Evolving Skies at $4.24£3.19€3.73, and the 3 priced copies across 2 sets are worth $5£4€4 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.
Crystal Cave is printed in Japanese as well: 2 cards across 1 sets, the most valuable of them Crystal Cave from Skyscraping Perfection at $14.99£11.28€13.20. 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 Crystal Cave sold for $54.35£40.91€47.86. reverse holo printings are priced separately from the standard card, because they do not trade at the same money. Rarities here include Secret Rare.
If you are trying to identify which Crystal Cave 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: Evolving Skies, Prize Pack Series Cards.