Is Professor Rowan worth grading?
Pokémon · Diamond & Pearl · 112/130 · full price guide →
Strong grading candidate — 384× premium in CGC 8.5
A CGC 8.5 Professor Rowan sells for $119 against $0.31 raw: a $119 spread, 384× the ungraded price. A PSA 9 ($17.50) only about breaks even after fees, so the case rests on gemming. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
- Raw (NM)
- $0.31
- CGC 8.5
- $119
- PSA 9
- $17.50
- Gem premium
- 384×
- As of
- Aug 10, 2026
Break-even by outcome and fee
| If it comes back… | Sells for | Economy / bulk (~$25.00) | Standard (~$50.00) | Express (~$150) |
|---|---|---|---|---|
| Gem — CGC 8.5 | $119 | +$93.69 | +$68.69 | −$31.31 |
| PSA 9 | $17.50 | −$7.81 | −$32.81 | −$133 |
| PSA 8 | $29.12 | +$3.81 | −$21.19 | −$121 |
Net = sale price − $0.31 raw value − fee. Fee tiers are illustrative; plug your grader's current price into the calculator below.
Expected value — how often does it need to gem?
| Chance it gems | Expected sale | Expected net (standard fee) |
|---|---|---|
| 25% | $42.88 | −$7.44 |
| 50% | $68.25 | +$17.94 |
| 75% | $93.63 | +$43.31 |
Break-even gem rate at the standard fee: about 32%. Centering is the usual reason a clean copy misses — measure it before you decide.
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Grading Professor Rowan — FAQ
Is Professor Rowan worth grading?
A CGC 8.5 Professor Rowan sells for $119 against $0.31 raw: a $119 spread, 384× the ungraded price. A PSA 9 ($17.50) only about breaks even after fees, so the case rests on gemming. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
What gem rate makes grading Professor Rowan break even?
At a standard ~$50 fee, submitting Professor Rowan breaks even when it gems about 32% of the time (a miss assumed to sell at the PSA 9 price of $17.50).
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