YGOPrices · Cards · Gem-Knight Aquamarine

Gem-Knight Aquamarine

Attribute: EarthEarthFusionAqua·Unlimited

ATK1400DEF2600Level6

Ultra Rare Duel Terminal Super Parallel Rare Secret Rare

"Gem-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.

ArchetypeGem-

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Retail market · this card family

Range across every indexed printing. Currency is never converted.

TCGPlayer prices are temporarily stale. Last source update: 11 Sept.

USD retail range

$0to$18USD

8 printings · 3 rarities

Editions in this family

1st EditionLimited EditionUnlimited / Unspecified

Select a specific printing below for per-printing pricing.

Graded market · edition / variant unspecified

These graded observations apply to the wider Gem-Knight Aquamarine card family. The source data does not identify which physical edition / finish / language the slabs came from - they are shown here for context and never attributed to a specific printing.

PSA10

31.84USD

vol 34

BGS10

41USD

vol 34

CGC10

19USD

vol 34

SGC10

19USD

vol 34

ANY9.5

7USD

vol 34

ANY9

6USD

vol 34

ANY8

5.67USD

vol 34

ANY7

3.27USD

vol 9

Graded price history · card family

Card-scoped attribution - not tied to any specific printing.

Snapshot depth: 19 distinct days

Series

Raw (USD)$6.13+2454.2%Grade 9.5 · any (USD)$12+71.4%

Available: 2026-09-21 to 2026-10-18.

All printings (8)

Every distinct set × rarity × edition combination. Click a set to open that printing’s page with its own pricing.

Set	Card #	Rarity	Edition	Finish / lang	USD	EUR
Battles of Legend: Monster Mayhem2025	BLMM-EN137	Ultra Rare	1st Edition	EN	$0.2	€0.2
Hidden Arsenal 5: Steelswarm Invasion2011	HA05-EN020	Secret Rare	1st Edition	EN	$1.55	€1.55
Duel Terminal 5b2011	DT05-EN035	Duel Terminal Super Parallel Rare	Limited Edition	EN	$2.15	€2.15
Battles of Legend: Monster Mayhem2025	BLMM-EN137	Ultra Rare	Unlimited / Unspecified	nonfoil · EN	$0.12	€0.12
Hidden Arsenal 5: Steelswarm Invasion2011	HA05-EN020	Secret Rare	Unlimited / Unspecified	nonfoil · EN	$0.78	€1.92
Hidden Arsenal 5: Steelswarm Invasion2011	HA05-EN020	Secret Rare	Unlimited / Unspecified	foil · EN	$0.12	€0.12
Duel Terminal 5b2011	DT05-EN035	Duel Terminal Super Parallel Rare	Unlimited / Unspecified	foil · EN	$1.08	€1.08
Duel Terminal 5b2011	DT05-EN035	Duel Terminal Super Parallel Rare	Unlimited / Unspecified	nonfoil · EN	$18.1	€18.1

Battles of Legend: Monster MayhemBLMM-EN137·2025Ultra Rare1st Edition·EN
$0.2€0.2
Hidden Arsenal 5: Steelswarm InvasionHA05-EN020·2011Secret Rare1st Edition·EN
$1.55€1.55
Duel Terminal 5bDT05-EN035·2011Duel Terminal Super Parallel RareLimited Edition·EN
$2.15€2.15
Battles of Legend: Monster MayhemBLMM-EN137·2025Ultra RareUnlimited / Unspecified·nonfoil · EN
$0.12€0.12
Hidden Arsenal 5: Steelswarm InvasionHA05-EN020·2011Secret RareUnlimited / Unspecified·nonfoil · EN
$0.78€1.92
Hidden Arsenal 5: Steelswarm InvasionHA05-EN020·2011Secret RareUnlimited / Unspecified·foil · EN
$0.12€0.12
Duel Terminal 5bDT05-EN035·2011Duel Terminal Super Parallel RareUnlimited / Unspecified·foil · EN
$1.08€1.08
Duel Terminal 5bDT05-EN035·2011Duel Terminal Super Parallel RareUnlimited / Unspecified·nonfoil · EN
$18.1€18.1

Ask YGOPrices

Grounded answers about Gem-Knight Aquamarine

Answers cite this card's live database facts. Printings, rarity, edition, ATK/DEF, archetype, current prices and Forbidden & Limited status where recorded. YGOPrices AI does not invent card details.

FAQ

About Gem-Knight Aquamarine

How many printings of Gem-Knight Aquamarine are there?

We currently track 8 printings of Gem-Knight Aquamarine across 3 rarities. Each printing (set × rarity × edition × language) is priced separately.

How much is Gem-Knight Aquamarine worth?

Live USD retail across every indexed printing of Gem-Knight Aquamarine currently spans $0 to $18. Individual printing prices vary by rarity and edition.

What archetype is Gem-Knight Aquamarine part of?

Gem-Knight Aquamarine lists the following archetype: Gem-.

Where can I buy Gem-Knight Aquamarine?

Every printing page has a "Find on eBay" button that opens a targeted affiliate search using the exact set code, rarity and edition. YGOPrices does not sell cards directly.

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