Yu-Gi-Oh! · Ultra RareLive pricing
Gem-Knight Master Diamond
Stable0.0%Battles of Legend: Monster Mayhem, 2025 · #BLMM-EN143
Gem-Knight Master Diamond's Near Mint price is unchanged over the past 30 days.
6h ago· Updated Oct 28, 2026
Card Details
TypeMonster — Rock
Mana CostLevel 9
P/TATK 2900 / DEF 2500
RaceRock
ArchetypeGem-
AttributeEARTH
Frame Typefusion
Human Readable TypeFusion Effect Monster
Card Text3 "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.
inkwell Fair Value™?· NM
$2.93
moderate
$1.99$3.75
Condition?
Confidencehigh
Prices as ofOct 28
Normal—
Cheapest printing$0.19
Why This Price
inkwell Estimate
Fair Value$2.93
Movement
7D Change+0.0% (+$0.00)
30D Change+0.0% (+$0.00)
Freshness
Prices as ofOct 28
Update cadenceDaily
Inkwell Fair Value$2.93
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More from Battles of Legend: Monster Mayhem
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- How much is Gem-Knight Master Diamond worth?
- The current Near Mint price for Gem-Knight Master Diamond from Battles of Legend: Monster Mayhem (Yu-Gi-Oh!) is $2.93. The price has been stable over the past 7 days.
- What set is Gem-Knight Master Diamond from?
- Gem-Knight Master Diamond is from the Battles of Legend: Monster Mayhem set, released June 2025. It is a Ultra Rare in Yu-Gi-Oh!.
- What rarity is Gem-Knight Master Diamond?
- Gem-Knight Master Diamond is a Ultra Rare card from Battles of Legend: Monster Mayhem in Yu-Gi-Oh!.
- How many printings of Gem-Knight Master Diamond exist?
- Gem-Knight Master Diamond has 4 printings across different Yu-Gi-Oh! sets. The cheapest printing is $0.19 from Star Pack ARC-V.