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: $430, PSA 9: $78.64, PSA 8: $37.61, Raw: $39.99. The most recent PSA 10 sale was $430 on June 5, 2026, with 19 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 $27 on June 11, 2026. 151 copies of Dialga GX (Secret Rare) sold in the last 30 days across eBay, Goldin, and other marketplaces. CardIndex has tracked 123 total sales across all grades for this card. There are currently 17 active listings for Dialga GX (Secret Rare).
