Dialga GX

SM - Forbidden Light · #138/131 · Secret Rare

$75.63
Market price 77.4% (1Y)

Price history

Secret 0.0% 7d$75.63
Low $54.08Mid $90.00High $679.40

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Graded values

updated 2026-07-08
PSA 10 price history$569.99

PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.

Graded population census · updated 2026-07-08

PSA434 graded · 180 gem 10
CGC60 graded · 10 gem 10

Population data from PriceCharting, updated monthly.

How much is Dialga GX #138/131 worth?

Right now (July 8, 2026) the going rate for an ungraded Dialga GX #138/131 from SM - Forbidden Light is about $75.63.

Grading changes the math on this one: a PSA 10 is valued around $569.99, roughly 7.5x the raw price, while a PSA 9 sits near $81.53. 434 copies have been graded to date, and 41% of them came back a 10 — worth knowing before you pay grading fees.

Prices on this page refresh nightly from live TCGplayer market data and are cross-checked against actual sold prices, so a single inflated listing never becomes "the price". The chart above has the full history.