Simulated holo effect, for illustration only.
Gem-Knight Ruby
- Expansion
- Hidden Arsenal 5: Steelswarm Invasion
- Code
- HA05-EN019
- Rarity
- Secret Rare
- Card type
- Monster · Pyro/Fusion/Effect
- Attribute
- EARTH
- Level
- 6
- ATK / DEF
- 2500 / 1300
- Archetype
- Gem-
Card text
"Gem-Knight Garnet" + 1 "Gem-Knight" monster Must first be Fusion Summoned with the above Fusion Material Monsters. Once per turn: You can Tribute 1 face-up "Gem-" monster; this card gains ATK equal to the Tributed monster's ATK on the field, until the End Phase. If this card attacks a Defense Position monster, inflict piercing Battle Damage to your opponent.
Other printings
Price history
Ungraded cards
Condition: Near Mint (Mint and Near Mint)
- From
- —
- Price trend
- €2.59
- Average price 30 days
- €1.88
- Average price 7 days
- €2.38
- Average price 1 day
- €3.29
Oct 2, 2026 · €2.59
The dashed line is an estimate from the markets' rolling averages; recorded history starts on Oct 1, 2026.
Show data as a table
| Date | Price | Low |
|---|---|---|
| Oct 2, 2026 | €2.59 | — |
| Oct 1, 2026 | €2.59 | — |
| Sep 25, 2026 (estimate) | €2.38 | — |
| Sep 24, 2026 (estimate) | €2.38 | — |
| Sep 2, 2026 (estimate) | €1.88 | — |
| Sep 1, 2026 (estimate) | €1.88 | — |
Graded index
Certified cards, by grader and grade — kept apart from ungraded prices.
No graded prices
There aren't enough reliable offers for this graded card on external markets.