Is Jonathan Kuminga [Silver Prizm] #307 worth grading?
Basketball · Basketball Cards 2021 Panini Prizm · full price guide →
Strong grading candidate — 18× premium in PSA 10
A PSA 10 Jonathan Kuminga [Silver Prizm] #307 sells for $105 against $5.75 raw: a $99.25 spread, 18× the ungraded price. A PSA 9 ($15.00) 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)
- $5.75
- PSA 10
- $105
- PSA 9
- $15.00
- Gem premium
- 18×
- As of
- Sep 3, 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 | $105 | +$74.25 | +$49.25 | −$50.75 |
| PSA 9 | $15.00 | −$15.75 | −$40.75 | −$141 |
| PSA 8 | $10.87 | −$19.88 | −$44.88 | −$145 |
Net = sale price − $5.75 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% | $37.50 | −$18.25 |
| 50% | $60.00 | +$4.25 |
| 75% | $82.50 | +$26.75 |
Break-even gem rate at the standard fee: about 45%. 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 |
|---|---|---|---|---|
| SGC 10 | $140 | best | 55/45 | 75/25 |
| BGS 10 | $137 | −$3.00 | 55/45 | 70/30 |
| PSA 10 | $105 | −$35.00 | 55/45 | 75/25 |
| CGC 10 | $63.00 | −$77.00 | 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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Other 2021 Panini Prizm cards worth checking
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Grading Jonathan Kuminga [Silver Prizm] #307 — FAQ
Is Jonathan Kuminga [Silver Prizm] #307 worth grading?
A PSA 10 Jonathan Kuminga [Silver Prizm] #307 sells for $105 against $5.75 raw: a $99.25 spread, 18× the ungraded price. A PSA 9 ($15.00) 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 Jonathan Kuminga [Silver Prizm] #307 worth compared with raw?
A PSA 10 Jonathan Kuminga [Silver Prizm] #307 (Basketball Cards 2021 Panini Prizm) sells for about $105 versus $5.75 for a raw near-mint copy — a 18× premium as of Sep 3, 2026.
Which grading company is best for Jonathan Kuminga [Silver Prizm] #307?
By resale value, SGC 10 leads at $140, ahead of BGS 10 at $137. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Jonathan Kuminga [Silver Prizm] #307 need for a SGC 10?
SGC 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 Jonathan Kuminga [Silver Prizm] #307 break even?
At a standard ~$50 fee, submitting Jonathan Kuminga [Silver Prizm] #307 breaks even when it gems about 45% of the time (a miss assumed to sell at the PSA 9 price of $15.00).
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