Gem-Knight Master Diamond
Hidden Arsenal 7: Knight of Stars (2013), Yu-Gi-Oh!, HA07-EN059, Secret Rare
1st Edition, Near Mint
$1.22
TCGplayer market price (an average of recent sales)
As of Oct 26 (yesterday). Unchanged since Oct 23.
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Price trend
For the 1st Edition printing.
Oct 19 $1.20 → Oct 26, 2026 $1.22 +1.7%
Sep 26 $1.20 → Oct 26, 2026 $1.22 +1.7%
Jul 28 $1.33 → Oct 26, 2026 $1.22 −8.3%
Oct 26, 2025 $1.81 → Oct 26, 2026 $1.22 −32.6%
Feb 8, 2024 $1.33 → Oct 26, 2026 $1.22 −8.3%
Vs its set
Over the 90 days to Oct 26, 2026: the 1st Edition printing −8.3%; the median other card in Hidden Arsenal 7: Knight of Stars 0.0% (69 other cards, each at its tracked printing). 63 of those 69 changed price, but no more than half rose and no more than half fell, so the middle change is 0%.
Market details
Record
Price history Feb 8, 2024 to Oct 26, 2026
Price changes, last 30 days
| Date | Price | Change | |
|---|---|---|---|
| Oct 1 | $1.20 → $1.18 | −1.7% | Show on chart |
| Oct 6 | $1.18 → $1.20 | +1.7% | Show on chart |
| Oct 12 | $1.20 → $1.24 | +3.3% | Show on chart |
| Oct 19 | $1.24 → $1.20 | −3.2% | Show on chart |
| Oct 23 | $1.20 → $1.22 | +1.7% | Show on chart |
Same set: Hidden Arsenal 7: Knight of Stars (70)
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Live market
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Newest TCGplayer value: Oct 26, 2026. Prices in USD. Card names and images © their respective publishers. See how these prices are made.