Is Eric Karros #DK-30 worth grading?
Baseball · Baseball Cards 1993 Donruss Diamond Kings · full price guide →
Strong grading candidate — 60× premium in PSA 10
A PSA 10 Eric Karros #DK-30 sells for $82.54 against $1.38 raw: a $81.16 spread, 60× the ungraded price. A PSA 9 ($18.70) 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)
- $1.38
- PSA 10
- $82.54
- PSA 9
- $18.70
- Gem premium
- 60×
- 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 | $82.54 | +$56.16 | +$31.16 | −$68.84 |
| PSA 9 | $18.70 | −$7.68 | −$32.68 | −$133 |
| PSA 8 | $14.93 | −$11.45 | −$36.45 | −$136 |
Net = sale price − $1.38 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% | $34.66 | −$16.72 |
| 50% | $50.62 | −$0.76 |
| 75% | $66.58 | +$15.20 |
Break-even gem rate at the standard fee: about 51%. 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 | $107 | best | 55/45 | 70/30 |
| PSA 10 | $82.54 | −$24.46 | 55/45 | 75/25 |
| CGC 10 | $50.00 | −$57.00 | 55/45 | 75/25 |
| SGC 10 | $50.00 | −$57.00 | 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.
Full grade ladder
Raw conditions & history →| Grade | PSA | CGC | BGS | SGC | Graded |
|---|---|---|---|---|---|
| 10 | $82.54 | $50.00 | $107 | $50.00 | — |
| 9.5 | — | — | — | — | $34.22 |
| 9 | — | — | — | — | $18.70 |
| 8 | — | — | — | — | $14.93 |
| 7 | — | — | — | — | $3.25 |
Run your own numbers
Should I pay this?
Enter the seller’s asking price to see your net outcome per grade.
Other 1993 Donruss Diamond Kings cards worth checking
Full set checklist →
Grading Eric Karros #DK-30 — FAQ
Is Eric Karros #DK-30 worth grading?
A PSA 10 Eric Karros #DK-30 sells for $82.54 against $1.38 raw: a $81.16 spread, 60× the ungraded price. A PSA 9 ($18.70) 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 Eric Karros #DK-30 worth compared with raw?
A PSA 10 Eric Karros #DK-30 (Baseball Cards 1993 Donruss Diamond Kings) sells for about $82.54 versus $1.38 for a raw near-mint copy — a 60× premium as of Jul 11, 2026.
Which grading company is best for Eric Karros #DK-30?
By resale value, BGS 10 leads at $107, ahead of PSA 10 at $82.54. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Eric Karros #DK-30 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 Eric Karros #DK-30 break even?
At a standard ~$50 fee, submitting Eric Karros #DK-30 breaks even when it gems about 51% of the time (a miss assumed to sell at the PSA 9 price of $18.70).
Is your baseball 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