Is Mr. Stone's Project worth grading?
Pokémon · Emerald · 79/106 · full price guide →
Strong grading candidate — 90× premium in PSA 10
A PSA 10 Mr. Stone's Project sells for $338 against $3.75 raw: a $334 spread, 90× the ungraded price. A PSA 9 ($24.00) 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)
- $3.75
- PSA 10
- $338
- PSA 9
- $24.00
- Gem premium
- 90×
- 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 — PSA 10 | $338 | +$309 | +$284 | +$184 |
| PSA 9 | $24.00 | −$4.75 | −$29.75 | −$130 |
Net = sale price − $3.75 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% | $102 | +$48.69 |
| 50% | $181 | +$127 |
| 75% | $259 | +$206 |
Break-even gem rate at the standard fee: about 9%. Centering is the usual reason a clean copy misses — measure it before you decide.
Which grader pays the most — and what a 10 takes
All centering standards →| Grader | 10 sells for | vs best | Front centering for a 10 | Back |
|---|---|---|---|---|
| PSA 10 | $338 | best | 55/45 | 75/25 |
| CGC 10 | $74.68 | −$263 | 55/45 | 75/25 |
Tolerances are each company's published centering standard for its top grade; surface, corners and edges must also be clean. Centering is the one you can measure yourself before you pay.
Full grade ladder
Raw conditions & history →| Grade | PSA | CGC |
|---|---|---|
| 10 | $338 | $74.68 |
| 9.5 | — | $45.00 |
| 9 | $24.00 | $12.00 |
| 7.5 | — | $28.80 |
| 4 | $45.00 | — |
Run your own numbers
Should I pay this?
Enter the seller’s asking price to see your net outcome per grade.
Other Emerald cards worth checking
Full set checklist →
Grading Mr. Stone's Project — FAQ
Is Mr. Stone's Project worth grading?
A PSA 10 Mr. Stone's Project sells for $338 against $3.75 raw: a $334 spread, 90× the ungraded price. A PSA 9 ($24.00) 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.
How much is a PSA 10 Mr. Stone's Project worth compared with raw?
A PSA 10 Mr. Stone's Project (Emerald 79/106) sells for about $338 versus $3.75 for a raw near-mint copy — a 90× premium as of Aug 10, 2026.
Which grading company is best for Mr. Stone's Project?
By resale value, PSA 10 leads at $338, ahead of CGC 10 at $74.68. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Mr. Stone's Project need for a PSA 10?
PSA publishes 55/45 front and 75/25 back centering as the tolerance for a 10 (Gem Mint). Off-center copies are capped below the top grade regardless of surface — measure yours before paying the fee.
What gem rate makes grading Mr. Stone's Project break even?
At a standard ~$50 fee, submitting Mr. Stone's Project breaks even when it gems about 9% of the time (a miss assumed to sell at the PSA 9 price of $24.00).
Is your Pokémon card centered well enough to grade?
Centering makes or breaks a PSA 10. Scan any card with Midpoint to measure its exact centering, get a grade estimate, and see what your copy is actually worth.
Check my card free