Pokémon sets › Ultra Prism › Dialga GX

Dialga GX #100

Ultra Prism · 2018 · Rare Holo GX

Ungraded · UK

£9.09

PSA 10 · UK

£86.72

Ungraded · US

$10.00

PSA 10 · US

$117.50

High confidence 41st most valuable of 302 priced cards in Ultra Prism

Based on recent UK sold prices — 11 recent UK sale(s).

Read directly from the UK market — 11 recent listings for this exact card, refreshed weekly.

A PSA 10 of this card sells for about 9.5× the ungraded price — £9.09 raw against £86.72 graded.

UK ungraded · 22 readings, May 2026 to Aug 2026 +45.9%

30 days+24.0% 90 days+52.5%

Peaked at £9.09 in August 2026; lowest £5.87 in June 2026. PSA 10 moved +2.4% over a comparable period.

UK price month by month

Month	UK ungraded
May 2026	£5.96
June 2026	£7.27
July 2026	£7.33
August 2026	£9.09

UK guide prices, with the US market alongside — updated 26 August 2026. Each market is priced from real market data in that market. Estimates for collection tracking — not an appraisal or a quote.

Check recent UK sold prices on eBay →

Own this card? Scan it free Track your collection

No account needed to scan — point your camera and Cardfolio values it in about a second.

More from Ultra Prism

Garchomp [Cracked-Ice] #99

£5.53

Garchomp [Reverse Holo] #99

£3.52

Lickitung [Reverse Holo] #102

£0.92

Gabite [Reverse Holo] #98

Gible [Reverse Holo] #97

£0.38

Lickilicky [Reverse Holo] #103

£0.97