Is Sky Seal Stone worth grading?
Pokémon · Crown Zenith · 143/159 · full price guide →
Worth grading only if it gems
A PSA 10 Sky Seal Stone brings $25.40 versus $0.25 raw — a $25.15 spread that covers an economy-tier ~$25 grading fee. A PSA 9 ($3.01) only about breaks even after fees, so the case rests on gemming.
- Raw (NM)
- $0.25
- PSA 10
- $25.40
- PSA 9
- $3.01
- Gem premium
- 102×
- 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 | $25.40 | +$0.15 | −$24.85 | −$125 |
| PSA 9 | $3.01 | −$22.24 | −$47.24 | −$147 |
Net = sale price − $0.25 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% | $8.61 | −$41.64 |
| 50% | $14.20 | −$36.05 |
| 75% | $19.80 | −$30.45 |
At the standard fee this submission does not break even at any realistic gem rate unless the miss lands above the 9 price.
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 | $25.40 | best | 55/45 | 75/25 |
| CGC 10 | $9.90 | −$15.50 | 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.
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Grading Sky Seal Stone — FAQ
Is Sky Seal Stone worth grading?
A PSA 10 Sky Seal Stone brings $25.40 versus $0.25 raw — a $25.15 spread that covers an economy-tier ~$25 grading fee. A PSA 9 ($3.01) only about breaks even after fees, so the case rests on gemming.
How much is a PSA 10 Sky Seal Stone worth compared with raw?
A PSA 10 Sky Seal Stone (Crown Zenith 143/159) sells for about $25.40 versus $0.25 for a raw near-mint copy — a 102× premium as of Aug 10, 2026.
Which grading company is best for Sky Seal Stone?
By resale value, PSA 10 leads at $25.40, ahead of CGC 10 at $9.90. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Sky Seal Stone 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.
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