2025 Topps Chrome Platinum Base Set Greg Maddux Blue Mini-Diamond Refractor #303
2025
See all Greg Maddux cards & valuesUncommon
$5.12est. value (ungraded)
Prices updated 2026-10-25
Based on recorded sold prices how we price cards
Card number
#303
Year
2025
Parallel / variant
Blue Mini-Diamond Refractor
Price by month
Average price of the 2025 Topps Chrome Platinum Base Set Greg Maddux Blue Mini-Diamond Refractor #303 each month, from 1 recorded price reading. Prices are re-checked regularly; a month's average counts each day from that month's first reading at the price that held that day.
Recorded high
$5.12
Recorded low
$5.12
| Month | Source | Average | Range |
|---|---|---|---|
| Oct 2026 | Market value | $5.12 | — |
Greg Maddux prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $5.12 | Buy on eBay ↗ |
| PSA 8 | $9.57 | Buy on eBay ↗ |
| PSA 9 | $17.94 | Buy on eBay ↗ |
| Grade 9.5 | $35.05 | Buy on eBay ↗ |
| PSA 10 | $52.90 | Buy on eBay ↗ |
| BGS 10 | $69.00 | Buy on eBay ↗ |
| CGC 10 | $21.00 | Buy on eBay ↗ |
| SGC 10 | $32.00 | Buy on eBay ↗ |
Other versions of this Greg Maddux card
31 versions, each priced on its own. Most valuable first.
Toile White Orange Refractor
$29.23
Not enough history yet
Raw $29.23PSA 9 $55.81PSA 10 $162Checked 2026-10-25
Gold Vibrations Refractor
$19.99
Not enough history yet
Raw $19.99PSA 9 $41.39PSA 10 $120Checked 2026-10-25
Blue Shimmer Refractor
$12.49
Not enough history yet
Raw $12.49PSA 9 $29.57PSA 10 $86.28Checked 2026-10-25
Toile Cream Rose Gold Refractor
$10.00
Not enough history yet
Raw $10.00PSA 9 $25.70PSA 10 $75.25Checked 2026-10-25
Toile White Green Refractor
$9.99
Not enough history yet
Raw $9.99PSA 9 $25.69PSA 10 $75.21Checked 2026-10-25
Toile Cream Fuchsia Shimmer
$9.66
Not enough history yet
Raw $9.66PSA 9 $25.15PSA 10 $73.62Checked 2026-10-25
Blue Vibrations Refractor
$9.05
Not enough history yet
Raw $9.05PSA 9 $24.19PSA 10 $70.80Checked 2026-10-25
Green Vibrations Refractor
$7.75
Not enough history yet
Raw $7.75PSA 9 $22.15PSA 10 $64.93Checked 2026-10-25
Live on eBay
Affiliate — we may earn a commission2025 Topps Chrome Platinum Base Set Greg Maddux Blue Mini-Diamond Refractor #303 value & prices
The 2025 Topps Chrome Platinum Base Set Greg Maddux Blue Mini-Diamond Refractor #303 is a Baseball card (Blue Mini-Diamond Refractor parallel) released in 2025. Ungraded copies carry a market value of about $5.12.
An ungraded copy is worth around $5.12, a PSA 9 around $17.94, a PSA 10 (Gem Mint) around $52.90 and a pristine BGS 10 around $69.00. That's roughly a 10× premium for a gem-mint copy over raw — one of the clearest signals that condition-sensitive buyers dominate this card's market.
Is it worth grading?
The spread between raw ($5.12) and top-graded ($52.90) copies is fairly tight, so grading this card only makes financial sense for truly flawless copies — or for collectors who simply prefer slabbed cards for protection and display.
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