Yu-Gi-Oh! · Secret RareLive pricing
Gem-Knight Aquamarine
Stable0.0%Hidden Arsenal 5: Steelswarm Invasion, 2011 · #HA05-EN020
Gem-Knight Aquamarine's Near Mint price is down 10.3% ($0.09) over the past 30 days.
6h ago· Updated Oct 28, 2026
Card Details
TypeSpell Card — Fusion/Effect
Mana CostLevel 6
P/TATK/1400 DEF/2600
ArtistKazuki Takahashi
RaceAqua
ArchetypeGem-
AttributeEARTH
Frame Typefusion
Human Readable TypeFusion Effect Monster
Card TextGem-Knight Sapphire + 1 "Gem-Knight" monster
Must first be Fusion Summoned with the above Fusion Material Monsters. If this card attacks, it is changed to Defense Position at the end of the Battle Phase. When this card is sent from the field to the Graveyard: Target 1 card your opponent controls; return that target to the hand.
inkwell Fair Value™?· NM
$0.78
single source
——
Condition?
Confidencemedium
Prices as ofOct 28
Normal—
Cheapest printing—
Why This Price
inkwell Estimate
Fair Value$0.78
Movement
7D Change+0.0% (+$0.00)
30D Change-10.3% (-$0.09)
Freshness
Prices as ofOct 28
Update cadenceDaily
Inkwell Fair Value$0.78
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More from Hidden Arsenal 5: Steelswarm Invasion
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- How much is Gem-Knight Aquamarine worth?
- The current Near Mint price for Gem-Knight Aquamarine from Hidden Arsenal 5: Steelswarm Invasion (Yu-Gi-Oh!) is $0.78. The price has been stable over the past 7 days.
- What set is Gem-Knight Aquamarine from?
- Gem-Knight Aquamarine is from the Hidden Arsenal 5: Steelswarm Invasion set, released December 2011. It is a Secret Rare in Yu-Gi-Oh!.
- What rarity is Gem-Knight Aquamarine?
- Gem-Knight Aquamarine is a Secret Rare card from Hidden Arsenal 5: Steelswarm Invasion in Yu-Gi-Oh!.
- How has the price of Gem-Knight Aquamarine changed over the past 30 days?
- Over the past 30 days, the Near Mint price of Gem-Knight Aquamarine has fallen 10.3% ($0.09) to $0.78.
- How many printings of Gem-Knight Aquamarine exist?
- Gem-Knight Aquamarine has 3 printings across different Yu-Gi-Oh! sets. The cheapest printing is $0.78 from Hidden Arsenal 5: Steelswarm Invasion.