Every Magnemite card we price, most valuable first. Prices are what copies actually sold for, updated daily.
What a Magnemite card is worth
The most valuable Magnemite on this list is Magnemite (91) from Aquapolis at $99.99£75.26€88.06, and the 49 priced copies across 37 sets are worth $693£522€610 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.
Magnemite is printed in Japanese as well: 49 cards across 38 sets, the most valuable of them Magnemite from Vending Machine cards Series 2 (Red) at $30£22.58€26.42. 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 Magnemite sold for $1,681£1,265€1,481. 1st Edition and 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 Magnemite 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: Aquapolis, Legendary Collection, Neo Discovery.