PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $4.76 |
| PSA 8 | $17.55 |
| PSA 9 | $26.03 |
| PSA 10 | $150 |
| BGS 10 | $195 |
| CGC 10 | $36 |
| SGC 10 | $90 |
TCGplayer market price: $5.02 (as of 2026-10-20)
Market context: ungraded price +13.9% over 30 days. +13.1% over 90 days. PSA 10 premium: 31.5× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-expedition-expansion-pack/pokemon-japanese-expedition-expansion-pack-diglett-1st-edition-20