About Dialga GX (Secret)

Dialga GX (Secret) from the Forbidden Light set (#138) is a Pokemon trading card released in 2018. It has a rarity of Rare Rainbow. Current fair market values for Dialga GX (Secret) are PSA 10: $539.91, PSA 9: $75.76, PSA 8: $41.50, Raw: $61.68. The most recent PSA 10 sale was $600 on May 28, 2026, with 21 sales tracked in the last 30 days. The most recent PSA 9 sale was $67.88 on June 9, 2026. A raw (ungraded) copy last sold for $100.96 on June 11, 2026. 87 copies of Dialga GX (Secret) sold in the last 30 days across eBay, Goldin, and other marketplaces. CardIndex has tracked 101 total sales across all grades for this card. There are currently 16 active listings for Dialga GX (Secret).