Is Shai Gilgeous-Alexander #89 worth grading?
Basketball · Basketball Cards 2018 Panini Prizm Mosaic · full price guide →
Strong grading candidate — 4.0× premium in PSA 10
A PSA 10 Shai Gilgeous-Alexander #89 sells for $350 against $86.78 raw: a $263 spread, 4.0× the ungraded price. A PSA 9 ($101) 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)
- $86.78
- PSA 10
- $350
- PSA 9
- $101
- Gem premium
- 4.0×
- As of
- Jul 11, 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 | $350 | +$238 | +$213 | +$113 |
| PSA 9 | $101 | −$10.51 | −$35.51 | −$136 |
| PSA 8 | $79.66 | −$32.12 | −$57.12 | −$157 |
Net = sale price − $86.78 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% | $163 | +$26.67 |
| 50% | $226 | +$88.85 |
| 75% | $288 | +$151 |
Break-even gem rate at the standard fee: about 14%. 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 | $455 | best | 55/45 | 70/30 |
| PSA 10 | $350 | −$105 | 55/45 | 75/25 |
| CGC 10 | $210 | −$245 | 55/45 | 75/25 |
| SGC 10 | $79.99 | −$375 | 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 | BGS | SGC | Graded |
|---|---|---|---|---|---|
| 10 | $350 | $210 | $455 | $79.99 | — |
| 9.5 | — | — | — | — | $150 |
| 9 | — | — | — | — | $101 |
| 8 | — | — | — | — | $79.66 |
Run your own numbers
Should I pay this?
Enter the seller’s asking price to see your net outcome per grade.
Other 2018 Panini Prizm Mosaic cards worth checking
Full set checklist →
Grading Shai Gilgeous-Alexander #89 — FAQ
Is Shai Gilgeous-Alexander #89 worth grading?
A PSA 10 Shai Gilgeous-Alexander #89 sells for $350 against $86.78 raw: a $263 spread, 4.0× the ungraded price. A PSA 9 ($101) 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 Shai Gilgeous-Alexander #89 worth compared with raw?
A PSA 10 Shai Gilgeous-Alexander #89 (Basketball Cards 2018 Panini Prizm Mosaic) sells for about $350 versus $86.78 for a raw near-mint copy — a 4.0× premium as of Jul 11, 2026.
Which grading company is best for Shai Gilgeous-Alexander #89?
By resale value, BGS 10 leads at $455, ahead of PSA 10 at $350. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Shai Gilgeous-Alexander #89 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 Shai Gilgeous-Alexander #89 break even?
At a standard ~$50 fee, submitting Shai Gilgeous-Alexander #89 breaks even when it gems about 14% of the time (a miss assumed to sell at the PSA 9 price of $101).
Is your basketball 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