![Coco Gauff [Black White Mini-Diamond] #100 (Tennis Cards 2021 Topps Chrome) — is it worth grading?](https://i.ebayimg.com/images/g/KBIAAeSw4oNqX~6q/s-l1600.jpg)
Is Coco Gauff [Black White Mini-Diamond] #100 worth grading?
Tennis · Tennis Cards 2021 Topps Chrome · full price guide →
Strong grading candidate — 5.7× premium in PSA 10
A PSA 10 Coco Gauff [Black White Mini-Diamond] #100 sells for $85.00 against $14.99 raw: a $70.01 spread, 5.7× the ungraded price. A PSA 9 ($14.00) 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)
- $14.99
- PSA 10
- $85.00
- PSA 9
- $14.00
- Gem premium
- 5.7×
- 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 | $85.00 | +$45.01 | +$20.01 | −$79.99 |
| PSA 9 | $14.00 | −$25.99 | −$50.99 | −$151 |
| PSA 8 | $4.88 | −$35.11 | −$60.11 | −$160 |
Net = sale price − $14.99 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% | $31.75 | −$33.24 |
| 50% | $49.50 | −$15.49 |
| 75% | $67.25 | +$2.26 |
Break-even gem rate at the standard fee: about 72%. 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 | $111 | best | 55/45 | 70/30 |
| PSA 10 | $85.00 | −$26.00 | 55/45 | 75/25 |
| CGC 10 | $51.00 | −$60.00 | 55/45 | 75/25 |
| SGC 10 | $51.00 | −$60.00 | 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 | $85.00 | $51.00 | $111 | $51.00 | — |
| 9.5 | — | — | — | — | $33.07 |
| 9 | — | — | — | — | $14.00 |
| 8 | — | — | — | — | $4.88 |
Run your own numbers
Should I pay this?
Enter the seller’s asking price to see your net outcome per grade.
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Grading Coco Gauff [Black White Mini-Diamond] #100 — FAQ
Is Coco Gauff [Black White Mini-Diamond] #100 worth grading?
A PSA 10 Coco Gauff [Black White Mini-Diamond] #100 sells for $85.00 against $14.99 raw: a $70.01 spread, 5.7× the ungraded price. A PSA 9 ($14.00) 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 Coco Gauff [Black White Mini-Diamond] #100 worth compared with raw?
A PSA 10 Coco Gauff [Black White Mini-Diamond] #100 (Tennis Cards 2021 Topps Chrome) sells for about $85.00 versus $14.99 for a raw near-mint copy — a 5.7× premium as of Jul 11, 2026.
Which grading company is best for Coco Gauff [Black White Mini-Diamond] #100?
By resale value, BGS 10 leads at $111, ahead of PSA 10 at $85.00. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Coco Gauff [Black White Mini-Diamond] #100 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 Coco Gauff [Black White Mini-Diamond] #100 break even?
At a standard ~$50 fee, submitting Coco Gauff [Black White Mini-Diamond] #100 breaks even when it gems about 72% of the time (a miss assumed to sell at the PSA 9 price of $14.00).
Is your tennis 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.
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