Dialga GX (Secret Rare) from the Ultra Prism set (#164) is a Pokemon trading card released in 2018. It has a rarity of Rare Rainbow. Current fair market values for Dialga GX (Secret Rare) are PSA 10: $675, PSA 9: $97.50, PSA 8: $55, Raw: $30. The most recent PSA 10 sale was $675 on August 19, 2026, with 29 sales tracked in the last 30 days. The most recent PSA 9 sale was $97.50 on May 23, 2026. A raw (ungraded) copy last sold for $30 on August 17, 2026. CardIndex has tracked 166 total sales across all grades for this card. There are currently 35 active listings for Dialga GX (Secret Rare).
