Lab TCG
Dialga GX

Dialga GX 100/156

SM - Ultra Prism • Ultra Rare • Holofoil

$12.69↑ +$0.38 (+3.1%) this week
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Dialga GX 100/156 from SM - Ultra Prism has a current TCGplayer market price of $12.69. It is up +13.1% over the past 30 days. A PSA 10 copy is valued around $115.00. At current prices, grading a top-grade copy looks worthwhile.

Price Snapshot

Market
$12.69
Low
$9.99
Mid
$12.45
High
$229.80
7-Day:+$0.38 (+3.1%)
30-Day:+$1.47 (+13.1%)
2026-08-24
2026-08-31
$12.69$12.59$12.50$12.41$12.31Aug-26
TCG Current
$12.69
Change
+$0.38 | +3.1%
Low
$12.31
High
$12.69

Where to Buy

TCGPlayer$12.69
Buy Now
eBay$115.00PSA 10 comps
View PSA listings

TCGplayer for raw copies (condition is graded by the marketplace, not the seller). eBay for slabs. Links may earn us a commission at no cost to you.

Graded Prices

PSA 10
$115.00
PSA 9
$37.89
PSA 8
$17.92
Raw → PSA 9 premium: +$29.76 (+366.1%)

Should you grade it?

Worth grading
Net if it 10s
+$58.36
ROI
+140.0%

From $12.69 raw to $115.00 in a PSA 10, after ~$25 grading, tracked shipping, and eBay fees. Grades below 10 return less — most cards need a realistic 10 to profit. Not financial advice.

Other cards in SM - Ultra Prism

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