How much is Dialga GX 100/156 worth?

About $11.93 (TCGplayer market price, 2026-10-15). Graded copies sell for more.

What set is Dialga GX 100/156 from?

Ultra Prism (Sun & Moon), released February 2, 2018.

Is Dialga GX the most valuable card in Ultra Prism?

No, it is the 40th most valuable of the 173 cards; the top card is Lillie 151 at $468.

Pokémon sets › Ultra Prism › Dialga GX

Illus. 5ban Graphics · © Pokémon / Nintendo / Creatures / GAME FREAK. Shown for identification.

Dialga GX 100/156

Ultra Prism · Rare Holo GX · illustrated by 5ban Graphics

$11.93TCGplayer market price, 2026-10-15

#40 of 173most valuable in Ultra Prism

TCGplayer eBay Graded on eBay

What Dialga GX 100 is worth

Dialga GX 100/156 sells for about $11.93 ungraded in near-mint condition. It is the 40th most valuable card in Ultra Prism, and a small part of the set's total value. The typical (median) Rare Holo GX in this set goes for $7.01, so this card sells at 1.7 times that. Among all 39 Dialga cards, it ranks 26th by price.

Dialga GX price by printing

Printing	Price	Source
Holo	$11.93	TCGplayer market, 2026-10-15

Dialga GX card details

Set	Ultra Prism (Sun & Moon, UPR)
Number	100/156
Rarity	Rare Holo GX
Card type	Basic GX Dragon
HP	180
Attacks	Overclock Metal Shred Metal, Colorless, Colorless · 80 damage Timeless GX Metal, Metal, Metal, Colorless, Colorless · 150 damage
Weakness	Fairy ×2
Retreat cost	3
Illustrator	5ban Graphics
Released	February 2, 2018
Printings	Normal

How to tell you have this card

Look at the bottom of the card: it should read 100/156 next to the set code UPR, and the rarity is Rare Holo GX. The illustrator credit reads 5ban Graphics. Not sure which set your card is from? Compare the symbol with our set symbol guide.

Other Dialga cards

Dialga EX 122 Phantom Forces — **Dialga EX** $1,022
Phantom Forces 122

Arceus & Dialga & Palkia GX 221 Cosmic Eclipse — **Arceus & Dialga & Palkia GX** $595
Cosmic Eclipse 221

Dialga G LV.X 122 Platinum — **Dialga G LV.X** $298
Platinum 122

Dialga 105 Great Encounters — **Dialga** $171
Great Encounters 105

Palkia & Dialga LEGEND 102 Triumphant — **Palkia & Dialga LEGEND** $170
Triumphant 102

Palkia & Dialga LEGEND 101 Triumphant — **Palkia & Dialga LEGEND** $136
Triumphant 101

Origin Forme Dialga VSTAR GG68 Crown Zenith — **Origin Forme Dialga VSTAR** $119
Crown Zenith GG68

Arceus & Dialga & Palkia GX 258 Cosmic Eclipse — **Arceus & Dialga & Palkia GX** $102
Cosmic Eclipse 258

All 39 Dialga cards with prices →

More valuable Ultra Prism cards

All Ultra Prism chase cards → · Full Ultra Prism card list

Prices in US dollars: TCGplayer market prices (via pokemontcg.io) where recent, otherwise the Cardmarket trend (via TCGdex) converted at the day's ECB rate. Ungraded, near-mint. Prices change daily; check the live listing before you buy or sell.