PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $3.12 |
| PSA 8 | $14 |
| PSA 9 | $15 |
| PSA 10 | $25.5 |
| BGS 10 | $33 |
| CGC 10 | $15 |
| SGC 10 | $15 |
TCGplayer market price: $5.89 (as of 2026-08-29)
Market context: ungraded price -7.4% over 30 days. -13.1% over 90 days. PSA 10 premium: 8.2× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-mega-starter-deck-diancie-ex/pokemon-japanese-mega-starter-deck-diancie-ex-mega-diancie-ex-5