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Gem-Knight Obsidian card prices and values
There are 4 Gem-Knight Obsidian cards and versions in our Yu-Gi-Oh price list. The most valuable is Gem-Knight Obsidian HA06-EN031 from Hidden Arsenal 6: Omega Xyz at about $29.67 ungraded, and the highest PSA 10 value is Gem-Knight Obsidian from Duel Terminal 6 at about $56.94. Prices updated November 8, 2026.
| Card | Raw | PSA 9 | PSA 10 |
|---|---|---|---|
 Gem-Knight Obsidian HA06-EN031Hidden Arsenal 6: Omega Xyz · Unlimited | $29.67 | — | — |
 Gem-Knight Obsidian DT06-EN067Duel Terminal 6 · Limited | $1.58 | $9.00 | $56.94 |
 Gem-Knight Obsidian AP08-EN020Astral Pack 8 · Unlimited | $1.07 | $8.00 | $41.98 |
| Gem-Knight Obsidian HA06-EN031Hidden Arsenal 6: Omega Xyz · 1st Edition | $0.88 | $8.00 | $44.80 |
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 Obsidian card questions
What is the most valuable Gem-Knight Obsidian card?
Gem-Knight Obsidian HA06-EN031 from Hidden Arsenal 6: Omega Xyz (Unlimited) at about $29.67 ungraded. The highest graded value is Gem-Knight Obsidian from Duel Terminal 6 at about $56.94 as a PSA 10.
How much is a Gem-Knight Obsidian card worth?
It depends on the exact card and version. Gem-Knight Obsidian cards in our list run from $0.88 to $29.67 ungraded. Find your card by its number in the table, then open it for the full prices.