![Chet Holmgren [Chrome Gold Shimmer Refractor] #89 (Basketball Cards 2021 Bowman University) — is it worth grading?](https://i.ebayimg.com/images/g/3SQAAeSwbatpIqhi/s-l1600.jpg)
Is Chet Holmgren [Chrome Gold Shimmer Refractor] #89 worth grading?
Basketball · Basketball Cards 2021 Bowman University · full price guide →
Strong grading candidate — 3.4× premium in PSA 10
A PSA 10 Chet Holmgren [Chrome Gold Shimmer Refractor] #89 sells for $142 against $42.01 raw: a $99.98 spread, 3.4× the ungraded price. A PSA 9 ($57.75) 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)
- $42.01
- PSA 10
- $142
- PSA 9
- $57.75
- Gem premium
- 3.4×
- As of
- Sep 4, 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 | $142 | +$74.98 | +$49.98 | −$50.02 |
| PSA 9 | $57.75 | −$9.26 | −$34.26 | −$134 |
| PSA 8 | $49.99 | −$17.02 | −$42.02 | −$142 |
Net = sale price − $42.01 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% | $78.81 | −$13.20 |
| 50% | $99.87 | +$7.86 |
| 75% | $121 | +$28.92 |
Break-even gem rate at the standard fee: about 41%. 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 | $185 | best | 55/45 | 70/30 |
| PSA 10 | $142 | −$43.01 | 55/45 | 75/25 |
| CGC 10 | $85.00 | −$100 | 55/45 | 75/25 |
| SGC 10 | $85.00 | −$100 | 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 Bowman University cards worth checking
Full set checklist →![Chet Holmgren [Chrome Pink Refractor] #38 2021 Bowman University card](https://i.ebayimg.com/images/g/UfwAAeSw0ndo~D50/s-l500.jpg)
Grading Chet Holmgren [Chrome Gold Shimmer Refractor] #89 — FAQ
Is Chet Holmgren [Chrome Gold Shimmer Refractor] #89 worth grading?
A PSA 10 Chet Holmgren [Chrome Gold Shimmer Refractor] #89 sells for $142 against $42.01 raw: a $99.98 spread, 3.4× the ungraded price. A PSA 9 ($57.75) 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 Chet Holmgren [Chrome Gold Shimmer Refractor] #89 worth compared with raw?
A PSA 10 Chet Holmgren [Chrome Gold Shimmer Refractor] #89 (Basketball Cards 2021 Bowman University) sells for about $142 versus $42.01 for a raw near-mint copy — a 3.4× premium as of Sep 4, 2026.
Which grading company is best for Chet Holmgren [Chrome Gold Shimmer Refractor] #89?
By resale value, BGS 10 leads at $185, ahead of PSA 10 at $142. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Chet Holmgren [Chrome Gold Shimmer Refractor] #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 Chet Holmgren [Chrome Gold Shimmer Refractor] #89 break even?
At a standard ~$50 fee, submitting Chet Holmgren [Chrome Gold Shimmer Refractor] #89 breaks even when it gems about 41% of the time (a miss assumed to sell at the PSA 9 price of $57.75).
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