![Jonathan Kuminga [White Sparkle Prizm] #307 (Basketball Cards 2021 Panini Prizm) — is it worth grading?](https://i.ebayimg.com/images/g/L7cAAeSwbGpqGwOP/s-l1600.jpg)
Is Jonathan Kuminga [White Sparkle Prizm] #307 worth grading?
Basketball · Basketball Cards 2021 Panini Prizm · full price guide →
Strong grading candidate — 3.9× premium in PSA 10
A PSA 10 Jonathan Kuminga [White Sparkle Prizm] #307 sells for $2,360 against $610 raw: a $1,750 spread, 3.9× the ungraded price. A PSA 9 ($437) sells for less than raw, so anything short of a 10 loses money. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
- Raw (NM)
- $610
- PSA 10
- $2,360
- PSA 9
- $437
- Gem premium
- 3.9×
- 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 | $2,360 | +$1,725 | +$1,700 | +$1,600 |
| PSA 9 | $437 | −$198 | −$223 | −$323 |
| PSA 8 | $182 | −$454 | −$479 | −$579 |
Net = sale price − $610 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% | $918 | +$258 |
| 50% | $1,399 | +$739 |
| 75% | $1,879 | +$1,219 |
Break-even gem rate at the standard fee: about 12%. 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 |
|---|---|---|---|---|
| BGS 10 | $3,068 | best | 55/45 | 70/30 |
| PSA 10 | $2,360 | −$708 | 55/45 | 75/25 |
| CGC 10 | $1,416 | −$1,652 | 55/45 | 75/25 |
| SGC 10 | $1,416 | −$1,652 | 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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Should I pay this?
Enter the seller’s asking price to see your net outcome per grade.
Other 2021 Panini Prizm cards worth checking
Full set checklist →![Jalen Green [Mojo Prizm] #306 2021 Panini Prizm card](https://i.ebayimg.com/images/g/~XAAAeSw3vtqhPuS/s-l500.jpg)
Grading Jonathan Kuminga [White Sparkle Prizm] #307 — FAQ
Is Jonathan Kuminga [White Sparkle Prizm] #307 worth grading?
A PSA 10 Jonathan Kuminga [White Sparkle Prizm] #307 sells for $2,360 against $610 raw: a $1,750 spread, 3.9× the ungraded price. A PSA 9 ($437) sells for less than raw, so anything short of a 10 loses money. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
How much is a PSA 10 Jonathan Kuminga [White Sparkle Prizm] #307 worth compared with raw?
A PSA 10 Jonathan Kuminga [White Sparkle Prizm] #307 (Basketball Cards 2021 Panini Prizm) sells for about $2,360 versus $610 for a raw near-mint copy — a 3.9× premium as of Sep 3, 2026.
Which grading company is best for Jonathan Kuminga [White Sparkle Prizm] #307?
By resale value, BGS 10 leads at $3,068, ahead of PSA 10 at $2,360. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Jonathan Kuminga [White Sparkle Prizm] #307 need for a BGS 10?
BGS publishes 55/45 front and 70/30 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 [White Sparkle Prizm] #307 break even?
At a standard ~$50 fee, submitting Jonathan Kuminga [White Sparkle Prizm] #307 breaks even when it gems about 12% of the time (a miss assumed to sell at the PSA 9 price of $437).
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