Dialga GX Forbidden Light Secret Rare Pokémon card — value and price

Dialga GX

Forbidden Light · Secret Rare
Pokémon pkm:sm6-138 TCGPlayer + Cardmarket
Fair market value
$76.25
Consensus of 2 market price guides. Typical $54.30 – $100.95.
▼ 14% · 47d
Sources: TCGPlayer + Cardmarket · Near Mint, raw
Optimal buy
$69.86
Never pay above $73.38
Optimal sell
$81.80
Never sell below $77.91
Buy this card · aim to pay under $73.38
TCGplayer →Find on eBay →Graded (PSA 10) →Amazon: sealed →
When it arrives: a penny sleeve + toploader is all it takes to keep it Near Mint.
Penny sleevesToploaders

We may earn a commission on purchases — at no extra cost to you, and it never affects our valuations.

</> Embed this card / add a value badge
SplitShot value badge
Badge — HTML<a href="https://splitshot.co/card/pkm:sm6-138"><img src="https://splitshot.co/badge/pkm:sm6-138.svg" alt="SplitShot value"></a>
Badge — Markdown[![SplitShot value](https://splitshot.co/badge/pkm:sm6-138.svg)](https://splitshot.co/card/pkm:sm6-138)
Widget — iframe<iframe src="https://splitshot.co/embed/pkm:sm6-138" width="360" height="172" style="border:0;overflow:hidden" loading="lazy" title="SplitShot value"></iframe>

Free to use anywhere — forum signatures, blogs, wikis. The value updates automatically. Note: eBay's listing policy allows externally-hosted images but not links off-site, so use the badge image alone there, without the link.

On Discord, skip the snippets entirely — add the SplitShot app and type /value in any channel.

Selling this card
Optimal sell $81.80 · never below $77.91. Value your copy for the live net-after-fees calculator.
Where to sell
eBay~13.25% + $0.30Largest audience; on any listing use “Sell one like this” to prefill yours.TCGplayer~10–11%Best for singles; buyers expect competitive, data-driven pricing.
Shipping & protection supplies
Sleeve + toploader in a team bag, taped inside a bubble mailer, shipped with tracking.
Penny sleevesToploadersTeam bagsBubble mailersPainter’s tape

Amazon Business Free to join and gives bulk pricing on sleeves, toploaders and mailers — worth it if you ship cards often.

Related cards
Dialga GX cardDialga GXUltra Prism$47.71Dialga GX cardDialga GXForbidden Light$36.06Dialga GX cardDialga GXUltra Prism$20.63Greninja GX cardGreninja GXForbidden Light$99.46Xerneas GX cardXerneas GXForbidden Light$71.19Lucario GX cardLucario GXForbidden Light$125.06
All Dialga GX printings →More Forbidden Light →
Common questions
How much is Dialga GX worth?

Dialga GX from Forbidden Light has a fair market value of about $76.25 (Near Mint, raw), based on a consensus of current market price guides.

What is the best price to sell Dialga GX?

List around $81.80 to clear without leaving money on the table; that nets about $65.77 after fees and shipping.

What should I pay to buy Dialga GX?

A disciplined buy target is about $69.86 — a discount to fair value that keeps an edge. Aim not to pay above $73.38.

Where can I buy Dialga GX?

Dialga GX is sold on eBay, TCGplayer, and Amazon. Compare live listings against the fair value of $76.25 and aim to pay under $73.38 — SplitShot links you straight to current listings at each marketplace.

Is now a good time to buy Dialga GX?

Dialga GX is trending stable lately. A disciplined entry is under $73.38; paying near or below $69.86 keeps a margin of safety versus the $76.25 fair value.

Estimate for guidance, not an appraisal. Value your exact copy →