PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $15 |
| PSA 7 | $31.75 |
| CGC 10 | $649.95 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-diamond-%26-pearl/pokemon-diamond-%26-pearl-piplup-cosmos-holo-93