- tcgrate
- Games
- Yu-Gi-Oh!
- Sets
- Hidden Arsenal 5: Steelswarm Invasion
- Gem-Knight Ruby
Yu-Gi-Oh! · Hidden Arsenal 5: Steelswarm Invasion · #HA05-EN019 · Secret Rare
Gem-Knight Ruby
Yu-Gi-Oh! card price for Gem-Knight Ruby: $1.99 market, from $1.19 at the cheapest listing, 1st Edition printing, updated Oct 18, 2026. Full price history since Feb 8, 2024 below.
Sellers right now
Market price is what a near-mint copy actually sold for. The cheapest listing is what a seller asks today — on thin markets the two differ a lot.
Where to buy
One year
Price story
Our price record for Gem-Knight Ruby (1st Edition) begins in February 2024 at $0.95; the market price today is $1.99, up 109% since then. In the last year the price changed −65.6% and ranged from $1.98 to $5.90, and it now trades near the bottom of that range. Its all-time high in our data is $6.11, still 207% above the current price. The cheapest listing right now is $1.19, and the 30-day average market price is $2.01.
Printings
The card in play
- Card type
- Fusion/Effect Monster
- Attribute
- EARTH
- Monster type
- Pyro
Gem-Knight Garnet + 1 "Gem-Knight" monster // Must first be Fusion Summoned using the above cards as Fusion Material Monsters. Once per turn: You can Tribute 1 face-up "Gem" monster you control; this card gains ATK equal to the Tributed monster's ATK, until the End Phase. During battle between this attacking card and a Defense Position monster, inflict piercing Battle Damage to your opponent.
