Every Ralts card we price, most valuable first. Prices are what copies actually sold for, updated daily.
What a Ralts card is worth
The most valuable Ralts on this list is Ralts from EX Delta Species at $45.74£34.43€40.28, and the 45 priced copies across 30 sets are worth $447£337€394 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.
Ralts is printed in Japanese as well: 43 cards across 32 sets, the most valuable of them Ralts from GX Ultra Shiny at $16.99£12.79€14.96. 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 Ralts sold for $1,500£1,129€1,321. reverse holo printings are priced separately from the standard card, because they do not trade at the same money. Rarities here include Illustration Rare.
If you are trying to identify which Ralts 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: EX Delta Species, Scarlet & Violet Base Set, EX Emerald.