
Dialga GX (Secret)
SM - Forbidden Light · 138/131 · Secret Rare
Current Prices
Nummer
138/131
Zeldzaamheid
Secret Rare
Variant
Holofoil
Market
US (TCGplayer)
Last Updated
Mar 26, 2026
About Dialga GX (Secret)
Dialga GX (Secret) is a secret rare card — among the rarest and hardest-to-pull cards in SM - Forbidden Light, numbered 138/131 in the expansion. This is the Holofoil variant. With a mid-range market value, Dialga GX (Secret) is a solid addition to any collection and a card worth keeping in good condition.
Dialga GX (Secret) Price Analysis
The current market price for Dialga GX (Secret) from SM - Forbidden Light is $80.54 as of 2026. Recent sales range from a low of $80.54 to a high of $80.54. A PSA 10 (Gem Mint) graded copy is valued at $299.90 — approximately 3.7x the ungraded market price. PSA 9 (Mint) copies sell for around $78.00.
Detailed Price Breakdown
| Source | Condition / Grade | Average | Low | High | Sales |
|---|---|---|---|---|---|
| ebay | PSA 8 | $57.00 | $57.00 | $57.00 | 8 |
| ebay | LIGHTLY PLAYED | $31.02 | $31.02 | $31.02 | 2 |
| ebay | NEAR MINT | $65.00 | $65.00 | $65.00 | 12 |
| ebay | CGC 8 5 | $21.64 | $21.64 | $21.64 | 1 |
| ebay | PSA 10 | $299.90 | $299.90 | $299.90 | 30 |
| ebay | PSA 4 | $6.50 | $6.50 | $6.50 | 1 |
| ebay | PSA 7 | $35.00 | $35.00 | $35.00 | 3 |
| ebay | PSA 9 | $78.00 | $78.00 | $78.00 | 21 |
| ebay | TAG 10 | $300.00 | $300.00 | $300.00 | 1 |
| tcgplayer | DAMAGED | $18.33 | $18.33 | $18.33 | 2 |
| tcgplayer | HEAVILY PLAYED | $32.00 | $32.00 | $32.00 | 2 |
| tcgplayer | LIGHTLY PLAYED | $49.49 | $49.49 | $49.49 | 15 |
| tcgplayer | MODERATELY PLAYED | $38.70 | $38.70 | $38.70 | 6 |
| tcgplayer | NEAR MINT | $80.54 | $80.54 | $80.54 | 48 |
Is Dialga GX (Secret) a Good Investment?
Secret rare cards like Dialga GX (Secret) sit at the top of the collectibility pyramid. Their extreme pull rates make them naturally scarce, which tends to support long-term value. Price stability indicates consistent demand without speculative spikes — often a healthy sign for a collectible. Lower trading volume means fewer copies change hands, which can make timing important when buying or selling. As with any collectible, values can fluctuate based on market conditions, format legality, nostalgia cycles, and overall demand in the Pokemon TCG market in 2026.





