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PSA 10: PriceCharting; refreshed Sep 10, 2026
GemDelta shows Riolu (Prismatic Evolutions #50) at $0.26 market price (TCGplayer market). Its Delta multiple is 32.7x.
A PSA 10 Riolu (Prismatic Evolutions #50) is currently shown at $35.94. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.
GemDelta records a 31.6% gem rate for Riolu (Prismatic Evolutions #50), with 6 PSA 10 copies out of 19 total PSA grades and a 32.7x Delta. That describes the grading profile; it is not financial advice.