1. tcgrate
  2. Yu-Gi-Oh!
  3. Quarter Century Stampede
  4. Gem-Knight Master Diamond (Quarter Century Secret Rare)

Yu-Gi-Oh! · Quarter Century Stampede · #RA04-EN178 · Quarter Century Secret Rare

Gem-Knight Master Diamond (Quarter Century Secret Rare)

Market price · 1st Edition · Sep 3, 2026
$3.78
0.0% this week · 0.0% in 30 days
1 day0.0%
7 days0.0%
30 days0.0%
90 days+5.9%
1 year−32.9%
All time+3.6%

Where it's cheaper

TCGplayer$3.78

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

1st Edition · market price
$2.35$3.77$5.18$6.60
$3.78
Apr 11Sep 26Mar 17Sep 3
TCGplayer market price · via tcgcsvtcgrate.com

Printings

PrintingMarketLowHigh7d
1st Edition$3.78$3.39$96.000.0%

Card details

Attack
2900
Number
RA04-EN178
Rarity
Quarter Century Secret Rare
Defense
2500
Attribute
EARTH
Card Type
Fusion/Effect Monster
Description
3 "Gem-Knight" monsters
Must first be Fusion Summoned. This card gains 100 ATK for each "Gem-" monster in your Graveyard. Once per turn: You can banish 1 Level 7 or lower "Gem-Knight" Fusion Monster from your Graveyard; until the End Phase, this card's name becomes that monster's, and replace this effect with that monster's original effects.
Monster type
Rock

Other printings of Gem-Knight Master Diamond

6 more · $0.20 – $14.80
All printings

Also in Quarter Century Stampede

most valuable
Full set