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Gem-Knight Master Diamond card prices and values
There are 8 Gem-Knight Master Diamond cards and versions in our Yu-Gi-Oh price list. The most valuable is Gem-Knight Master Diamond DT07-EN083 from Duel Terminal 7 at about $14.87 ungraded, and the highest PSA 10 value is Gem-Knight Master Diamond from Duel Terminal 7 at about $269. Prices updated September 23, 2026.
| Card | Raw | PSA 9 | PSA 10 |
|---|---|---|---|
 Gem-Knight Master Diamond DT07-EN083Duel Terminal 7 · Limited | $14.87 | $72.91 | $269 |
 Gem-Knight Master Diamond (Quarter Century Secret Rare) RA04-EN178Quarter Century Stampede · 1st Edition | $3.78 | — | — |
 Gem-Knight Master Diamond HA07-EN059Hidden Arsenal 7: Knight of Stars · 1st Edition | $1.21 | $11.50 | $46.86 |
 Gem-Knight Master Diamond (Shatterfoil) SP15-EN030Star Pack ARC-V · 1st Edition | $0.99 | — | — |
| Gem-Knight Master Diamond HA07-EN059Hidden Arsenal 7: Knight of Stars · Unlimited | $0.84 | $33.00 | $52.32 |
 Gem-Knight Master Diamond (Platinum Secret Rare) RA04-EN178Quarter Century Stampede · 1st Edition | $0.29 | $25.00 | $45.97 |
 Gem-Knight Master Diamond SP15-EN030Star Pack ARC-V · 1st Edition | $0.21 | $8.00 | $42.07 |
 Gem-Knight Master Diamond BLMM-EN143Battles of Legend: Monster Mayhem · 1st Edition | $0.17 | $6.00 | $31.23 |
Sorted by ungraded price. Raw prices: TCGplayer market price. Graded values: PriceCharting. A dash means we do not show a graded value for that card. This is a guide, not financial advice.
Questions
Gem-Knight Master Diamond card questions
What is the most valuable Gem-Knight Master Diamond card?
Gem-Knight Master Diamond DT07-EN083 from Duel Terminal 7 (Limited) at about $14.87 ungraded. The highest graded value is Gem-Knight Master Diamond from Duel Terminal 7 at about $269 as a PSA 10.
How much is a Gem-Knight Master Diamond card worth?
It depends on the exact card and version. Gem-Knight Master Diamond cards in our list run from $0.17 to $14.87 ungraded. Find your card by its number in the table, then open it for the full prices.