Dialga GX (Secret)
SM - Forbidden Light · 138/131 · Secret Rare
Current Prices
Number
138/131
Rarity
Secret Rare
Variant
Holofoil
Market
US (TCGplayer)
Last Updated
Jun 9, 2026
What Is Dialga GX (Secret) Worth?
Dialga GX (Secret) (Holofoil variant) is a secret rare — one of the hardest pulls in SM - Forbidden Light, card number 138/131. On PokeCardWorth we focus on one question — what is it actually worth — and at its current valuation, it carries real mid-range value and is worth keeping protected in a sleeve and top-loader.
Dialga GX (Secret) Value Breakdown
As of 2026, Dialga GX (Secret) (SM - Forbidden Light, 138/131) is worth around $80.54 in Near Mint condition. Condition drives the price hard: a Near Mint copy is worth about $80.54, while a Damaged one drops to roughly $18.33. The full condition ladder runs Near Mint $80.54, Lightly Played $49.49, Moderately Played $38.70, Heavily Played $32.00, Damaged $18.33 — so grading the condition correctly before you buy or sell matters more than almost anything else. A PSA 10 (Gem Mint) example is valued near $299.90 — about 3.7x the raw price, which is the single biggest swing in this card's value. PSA 9 copies sit around $78.00.
Is It Worth Grading Dialga GX (Secret)?
Grading Dialga GX (Secret) can pay off concretely: the gap between its raw value ($80.54) and a PSA 10 ($299.90) is about $219.36 — a 3.7x uplift before grading fees. Other graded tiers we track: PSA 9 $78.00, PSA 8 $57.00. Grading is worth considering if your copy looks clean — the PSA 10 premium can comfortably clear the fee.
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 Buy?
Secret rares like Dialga GX (Secret) are naturally scarce, which underpins long-term value. Mid-value cards from popular sets tend to hold up well over time. Whatever you decide, recheck Dialga GX (Secret)'s value on PokeCardWorth before buying or selling — the 2026 market shifts with set releases, nostalgia cycles, and demand.
