Which Gardevoir GX do you have?
Same name, 30× the price: $4.03 to $120 raw. The difference is printed on the card — it is just not somewhere most people think to look.
Light Consuming Darkness · #061
Check the set symbol in the lower right of the illustration, and the copyright year along the bottom edge. Those two identify the print run on every card that has them.
$120
64% gem
GX Ultra Shiny · #237
Check the set symbol in the lower right of the illustration, and the copyright year along the bottom edge. Those two identify the print run on every card that has them.
$63
63% gem
Hidden Fates · #SV75
Check the set symbol in the lower right of the illustration, and the copyright year along the bottom edge. Those two identify the print run on every card that has them.
$57
62% gem
Light Consuming Darkness · #055
Check the set symbol in the lower right of the illustration, and the copyright year along the bottom edge. Those two identify the print run on every card that has them.
$8.13
60% gem
Burning Shadows · #93
Check the set symbol in the lower right of the illustration, and the copyright year along the bottom edge. Those two identify the print run on every card that has them.
$6.13
32% gem
GX Ultra Shiny · #092
Check the set symbol in the lower right of the illustration, and the copyright year along the bottom edge. Those two identify the print run on every card that has them.
$4.25
68% gem
Light Consuming Darkness · #038
Check the set symbol in the lower right of the illustration, and the copyright year along the bottom edge. Those two identify the print run on every card that has them.
$4.03
70% gem
We have no hand-checked note for these printings yet, so the guidance above is the general rule rather than something specific to this card.
Prices are raw market value. Click a printing for its full grading verdict — the gem rate, the fees and whether it beats selling raw.