PSA 10: PriceCharting; refreshed Sep 10, 2026
GemDelta shows Seaking (Ruby & Sapphire #21) at $1.00 market price (TCGplayer market). Its Delta multiple is 31.5x.
A PSA 10 Seaking (Ruby & Sapphire #21) is currently shown at $47.00. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.
GemDelta records a 13.6% gem rate for Seaking (Ruby & Sapphire #21), with 6 PSA 10 copies out of 44 total PSA grades and a 31.5x Delta. That describes the grading profile; it is not financial advice.