PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $2 |
| PSA 7 | $5.5 |
| PSA 8 | $6 |
| PSA 9 | $13.95 |
| PSA 10 | $29.18 |
| BGS 10 | $38 |
| CGC 10 | $35 |
| SGC 10 | $18 |
TCGplayer market price: $1.72 (as of 2026-08-29)
Market context: ungraded price +1.5% over 30 days. +2.6% over 90 days. PSA 10 premium: 14.6× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-gym-challenge/pokemon-gym-challenge-brock-s-diglett-67