Is Kimi Antonelli [Blue Mini-Diamond Refractor] #D75-28 worth grading?
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Worth grading — even a PSA 9 beats raw
A PSA 10 Kimi Antonelli [Blue Mini-Diamond Refractor] #D75-28 sells for $297 against $64.19 raw: a $233 spread, 4.6× the ungraded price. Even a PSA 9 ($107) clears the raw price after an economy-tier ~$25 fee, so a near-miss still comes out ahead. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
- Raw (NM)
- $64.19
- PSA 10
- $297
- PSA 9
- $107
- Gem premium
- 4.6×
- 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 | $297 | +$208 | +$183 | +$83.23 |
| PSA 9 | $107 | +$17.93 | −$7.07 | −$107 |
| PSA 8 | $61.87 | −$27.32 | −$52.32 | −$152 |
Net = sale price − $64.19 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% | $155 | +$40.50 |
| 50% | $202 | +$88.08 |
| 75% | $250 | +$136 |
Break-even gem rate at the standard fee: about 4%. 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 | $387 | best | 55/45 | 70/30 |
| PSA 10 | $297 | −$89.58 | 55/45 | 75/25 |
| CGC 10 | $178 | −$209 | 55/45 | 75/25 |
| SGC 10 | $178 | −$209 | 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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Grading Kimi Antonelli [Blue Mini-Diamond Refractor] #D75-28 — FAQ
Is Kimi Antonelli [Blue Mini-Diamond Refractor] #D75-28 worth grading?
A PSA 10 Kimi Antonelli [Blue Mini-Diamond Refractor] #D75-28 sells for $297 against $64.19 raw: a $233 spread, 4.6× the ungraded price. Even a PSA 9 ($107) clears the raw price after an economy-tier ~$25 fee, so a near-miss still comes out ahead. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
How much is a PSA 10 Kimi Antonelli [Blue Mini-Diamond Refractor] #D75-28 worth compared with raw?
A PSA 10 Kimi Antonelli [Blue Mini-Diamond Refractor] #D75-28 (Racing Cards 2025 Topps Chrome Formula 1 Diamond 75th Anniversary) sells for about $297 versus $64.19 for a raw near-mint copy — a 4.6× premium as of Sep 4, 2026.
Which grading company is best for Kimi Antonelli [Blue Mini-Diamond Refractor] #D75-28?
By resale value, BGS 10 leads at $387, ahead of PSA 10 at $297. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Kimi Antonelli [Blue Mini-Diamond Refractor] #D75-28 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 Kimi Antonelli [Blue Mini-Diamond Refractor] #D75-28 break even?
At a standard ~$50 fee, submitting Kimi Antonelli [Blue Mini-Diamond Refractor] #D75-28 breaks even when it gems about 4% of the time (a miss assumed to sell at the PSA 9 price of $107).
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