| Set | Forbidden Light |
| Card number | 138 |
| Rarity | Rare Rainbow |
| Type | Pokémon |
| HP | 180 |
| Artist | 5ban Graphics |
| Released | May 2018 |
Dialga-GX #138 Value (Forbidden Light)
Pokemon card price guide: raw and graded values, eBay sold prices and price history. Updated Nov 2, 2026.
Few cards in Forbidden Light outrank Dialga-GX #138, a 2018 Rainbow Rare featuring 5ban Graphics artwork under a textured spectrum foil. The card sits third in the set's price hierarchy and has shown recent upward movement. As a secret-rarity GX of a major Legendary Pokémon, it represents the expansion's upper chase tier.
Current prices
| Source | Price |
|---|---|
| TCGplayer market price (USD) | $66.62 |
| Cardmarket lowest near mint (EUR) | €75.00 |
| Cardmarket 7-day average (EUR) | €50.35 |
| Cardmarket 30-day average (EUR) | €64.23 |
| Cardmarket listings available | 51 |
| eBay PSA 10 median (USD) | $651.25 |
Buy / compare: TCGplayer · eBay · eBay sold · Cardmarket
To price your own copy, use the free Pokémon card scanner and compare the result with the values above.
Why Dialga-GX #138 is priced where it is
Dialga-GX #138 is a Rare Rainbow Pokémon card from Forbidden Light, the Sun & Moon era (2018). It ranks as number 3 by price out of 150 cards in the set, so it is one of the cards collectors chase when opening packs. A PSA 10 sells for about 9.8x the raw price, so centering and surface condition decide most of what a copy is worth. Over the last 30 days the price rose +3.6%, from $64.30 to $66.62. The illustration is by 5ban Graphics.
Graded card values (PSA, CGC, BGS)
| Grading | Grade | Median sold | Sales |
|---|---|---|---|
| CGC | 10 | $606.89 | 2 |
| PSA | 10 | $651.25 | 5 |
| PSA | 9 | $63.63 | 5 |
| PSA | 8 | $57.00 | 1 |
| PSA | 7 | $89.82 | 1 |
| TAG | 10 | $300.00 | 1 |
Graded values are medians of real eBay sold listings.
Dialga-GX price history
| Month | Avg Cardmarket low | Avg TCGplayer market |
|---|---|---|
| Nov 2026 | €75.00 | $66.62 |
| Oct 2026 | €74.68 | $65.24 |
| Sep 2026 | €75.00 | $63.23 |
| Aug 2026 | €68.23 | $62.83 |
| Jul 2026 | €63.37 | $67.13 |
Frequently asked questions
What is Dialga-GX #138 worth on Nov 2, 2026?
As of Nov 2, 2026, a raw near mint copy is worth about $66.62, a PSA 10 sells for around $651.25 on eBay, the Cardmarket low is €75.00. Prices update hourly from Cardmarket, TCGplayer and eBay sold listings.
What is a PSA 10 Dialga-GX #138 worth?
As of Nov 2, 2026, a PSA 10 Dialga-GX #138 sells for about $651.25 on eBay (median of recent graded sales), compared with about $66.62 for a raw near mint copy.
Is Dialga-GX #138 rare?
Dialga-GX #138 is printed at Rare Rainbow rarity and ranks number 3 by price among the 150 cards in Forbidden Light. That puts it among the set’s chase cards.
Is Dialga-GX #138 going up in value?
Over the last 30 days it rose +3.6% to about $66.62. Short moves often reverse, so compare the chart with recent sold listings before buying or selling.
Is Dialga-GX #138 worth grading?
Often, if your copy is clean. A PSA 10 sells for about 9.8x raw ($584.63 more), but a PSA 9 is worth far less than a 10, so check centering, corners and surface first.
How do I check which printing of Dialga-GX I have?
Look at the set symbol and the card number (138) at the bottom of the card, then match both to this page. A phone scanner such as Card Value Scanner on iPhone reads them from one photo; on Android, search the number in the price guide.
Other Dialga-GX printings
Every Dialga-GX card and its current price
Most valuable cards in Forbidden Light
Forbidden Light card list · All Pokemon sets · Most valuable Pokemon cards
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