
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: $317.50, PSA 9: $74.01, PSA 8: $37.50, Raw: $41.44. The most recent PSA 10 sale was $300 on May 9, 2026, with 15 sales tracked in the last 30 days. The most recent PSA 9 sale was $89.99 on April 30, 2026. A raw (ungraded) copy last sold for $42.83 on February 18, 2026. 153 copies of Dialga GX (Secret Rare) sold in the last 30 days across eBay, Goldin, and other marketplaces. CardIndex has tracked 26 total sales across all grades for this card. There are currently 54 active listings for Dialga GX (Secret Rare).