Gem-Knight Master Diamond

Name: Gem-Knight Master Diamond
Brand: Yu-Gi-Oh!
SKU: 636037
Price: 0.20 USD
Availability: InStock

Market price · 1st Edition · Sep 3, 2026

$0.20

−4.8% this week · −20.0% in 30 days

1 day+5.3%

7 days−4.8%

30 days−20.0%

90 days+42.9%

1 year+33.3%

All time+25.0%

Where it's cheaper

TCGplayer$0.20

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1st Edition · market price

$0.06$0.13$0.20$0.27

$0.20

Jun 13Nov 8Apr 5Sep 3

TCGplayer market price · via tcgcsvtcgrate.com

Printings

PrintingMarketLowHigh7d

1st Edition$0.20$0.04$19.99−4.8%

Card details

Attack: 2900
Number: BLMM-EN143
Rarity: Ultra Rare
Defense: 2500
Attribute: EARTH
Card Type: Fusion/Effect Monster
Description: 3 "Gem-Knight" monsters
Must first be Fusion Summoned. Gains 100 ATK for each "Gem-" monster in your GY. Once per turn: You can banish 1 Level 7 or lower "Gem-Knight" Fusion Monster from your GY; until the End Phase, this card's name becomes that monster's original name, also replace this effect with that monster's original effects.
Monster type: Rock