Yu-Gi-Oh! · Hidden Arsenal 5: Steelswarm Invasion
Gem-Knight Alexandrite
French name: Alexandrite, Chevalier-Gemmes
Gem-Knight Alexandrite (Hidden Arsenal 5: Steelswarm Invasion HA05-EN004) has a market price of US$0.55 as of Nov 9, 2026.
Price guide
The market price on TCGplayer, in US dollars: a guide, not an offer.
Market price
As of Nov 9, 2026 · The market price is TCGplayer’s, in US dollars. It is a guide, not an offer.
Card details
- Type
- Effect Monster
- Level
- 4
- Attribute
- EARTH
- Monster type
- Rock
- Archetype
- Gem-
- ATK
- 1,800
- DEF
- 1,200
Card text
You can Tribute this card to Special Summon 1 "Gem-Knight" Normal Monster from your Deck.
About this card
Gem-Knight Alexandrite is card HA05-EN004 in Hidden Arsenal 5: Steelswarm Invasion, a Yu-Gi-Oh! set released Dec 6, 2011. Rarity: Secret Rare. Finishes: Unlimited, 1st Edition. Reference market price on Nov 9, 2026: US$0.55 (1st Edition). Over the last 30 days, the 1st Edition price went down 3.5%. Source: TCGplayer market data via tcgcsv.com, updated daily. A reference price is not an offer.