The 6 Most Valuable Dialga-GX Cards

The most valuable Dialga-GX card is the 2018 Forbidden Light Dialga-GX #138 at $75.25 as of October 5, 2026.

By Ripbin Research · Updated 2026-10-05 · prices from live market data

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The 6 most valuable Dialga-GX cards in the Ripbin catalog (2018) carry a combined raw market value of $188.18, topped by a $75.25 card.

#12018 Forbidden Light Dialga-GX #138
$75.25PSA 10 ~$809.37
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#22018 Ultra Prism Dialga-GX #164
$42.45PSA 10 ~$1,000.00
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#32018 Forbidden Light Dialga-GX #125
$34.24PSA 10 ~$812.50
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#42018 Ultra Prism Dialga-GX #146
$19.48PSA 10 ~$384.99
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#52018 Ultra Prism Dialga-GX #100
$9.27PSA 10 ~$500.00
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#62018 Forbidden Light Dialga-GX #82
$7.49PSA 10 ~$594.99
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