Dialga-GX 138/131, Forbidden Light Pokémon card

Rare Rainbow2018Sun & Moon era

Dialga-GXForbidden Light 138/131 price & value

Ungraded · near mint

Strong data

$70.61

Typical range $70.00 – $75.2324 sold in the last 90 days

PSA 10: $738
PSA 9: $77.00
PSA 8: $56.89

Prices updated today · How we price cards

About this card

As of Sep 28, 2026, Dialga-GX 138/131 from Forbidden Light is worth about $70.61 ungraded in near-mint condition and $738 graded PSA 10. That value is based on 24 recorded sales in the last 90 days.

Dialga-GX is card 138 of 131 in the Forbidden Light price guide, a set released in May 2018 during the Sun & Moon era. Its number runs past the set’s printed 131, which marks it as a secret rare. The artwork is by 5ban Graphics. In the checklist it sits after Yveltal-GX 137/131 and before Xerneas-GX 139/131.

It is the 3rd most valuable of the 150 priced cards in Forbidden Light, behind Lucario-GX 135/131 (see the most valuable Forbidden Light cards). A PSA 10 copy is valued at about 10× the ungraded price, and a PSA 9 at $77.00, so condition matters a lot for this card.

It is one of 47 English Dialga cards, and ranks 12th among them by ungraded value; the most valuable is Arceus & Dialga & Palkia-GX from Cosmic Eclipse. Compare them all in the most valuable Dialga cards.

Price history

Sep 27Dec 28Mar 29Jun 29Sep 28

Now: $70.61
4 weeks: −2.4%
90 days: +29%
1 year: +35%
Highest: $75.63
Lowest: $14.17

Recorded history starts February 2021. Earlier history is monthly averages; from July 22, 2026 the line is a 7-day average of daily prices, so single-day swings don’t show.

Matched sold listings

Recent sales

24 on record

PSA 92018 POKEMON SM-FORBIDDEN LIGHT DIALGA GX SECRET RARE 138/131 HOLO PSA 9Sep 22, 2026 · eBay · View listing$77.00
ACE 10Dialga GX Forbidden Light Secret Rare Pokemon Card 2018 138/131 ACE 10 PERFECTSep 22, 2026 · eBay · View listing$507
PSA 10Pokemon Dialga GX Forbidden Light Secret Full Art #138 PSA 10 Gem MintSep 15, 2026 · eBay · View listing$750
PSA 102018 Pokemon Sun & Moon FA/Dialga GX #138 PSA 10 GEM MINTSep 12, 2026 · eBay · View listing$725
CGC 102018 Pokemon Forbidden Light Dialga GX #138 Secret Rare CGC 10 PRISTINESep 2, 2026 · eBay · View listing$999
RawDialga GX Holo 138/131 Rainbow Rare Forbidden Light Pokemon NMAug 27, 2026 · eBay · Listed as near mint · View listing$89.99
RawDialga GX 138/131 Forbidden Light Rainbow PokemonAug 26, 2026 · eBay · View listing$21.36
RawDialga GX 138/131 Rainbow Rare Forbidden Light Pokemon Holo Near MintAug 20, 2026 · eBay · Listed as near mint · View listing$69.99

Sold prices, not asking prices. Listings that bundle several cards, or name a different card number, are left out. Sales record updated Sep 27, 2026.

Card details

Set: Forbidden Light
Number: 138/131
Rarity: Rare Rainbow
Released: May 4, 2018
Era: Sun & Moon
Pokémon: Dialga
Pokédex no.: #0483
Illustrator: 5ban Graphics
Printings: Holofoil

Explore further

Forbidden Light

Other Dialga cards in this set

Same Pokémon

Most valuable Dialga cards

All 47

Before this set

Earlier versions

After this set

Later versions

Next in the binder

Nearby in Forbidden Light

Full checklist

Forbidden Light

Chase cards from this set

Full ranking

Common questions

How much is Dialga-GX 138/131 Forbidden Light worth?

As of Sep 28, 2026, Dialga-GX 138/131 Forbidden Light is worth about $70.61 ungraded in near-mint condition. Recent prices range from $70.00 to $75.23. A PSA 10 copy is worth about $738. How we price cards.

How much is a PSA 10 Dialga-GX 138/131 worth?

A PSA 10 Dialga-GX 138/131 Forbidden Light is worth about $738; PSA 9 about $77.00; PSA 8 about $56.89. That is about 10× the ungraded value.

How often does Dialga-GX 138/131 sell?

Dialga-GX 138/131 Forbidden Light recorded 24 sales in the last 90 days (5 in the last 30), most recently on Sep 22, 2026. The highest recent sale was $999 for a CGC 10 copy on Sep 2, 2026.

What is the most valuable card in Forbidden Light?

The most valuable card in Forbidden Light is Lucario-GX 135/131, at about $131 ungraded. Dialga-GX 138/131 ranks 3rd of 150. See the full Forbidden Light ranking.

What set is Dialga-GX 138/131 from?

Dialga-GX 138/131 is from the English Pokémon TCG set Forbidden Light, released May 4, 2018, in the Sun & Moon era. Its rarity is Rare Rainbow.