Gem-Knight Aquamarine

Name: Gem-Knight Aquamarine
Brand: Yu-Gi-Oh!
SKU: 636031
Price: 0.23 USD
Availability: InStock

Market price · 1st Edition · Sep 3, 2026

$0.23

−8.0% this week · −4.2% in 30 days

1 day−4.2%

7 days−8.0%

30 days−4.2%

90 days+53.3%

1 year+91.7%

All time+21.1%

Where it's cheaper

TCGplayer$0.23

Cardmarket for Yu-Gi-Oh! is being connected — a second price appears as soon as this card is matched.

1st Edition · market price

$0.07$0.15$0.22$0.30

$0.23

Jun 12Nov 7Apr 4Sep 3

TCGplayer market price · via tcgcsvtcgrate.com

Printings

PrintingMarketLowHigh7d

1st Edition$0.23$0.03$19.99−8.0%

Card details

Attack: 1400
Number: BLMM-EN137
Rarity: Ultra Rare
Defense: 2600
Attribute: EARTH
Card Type: Fusion/Effect Monster
Description: "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.
Monster type: Aqua