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Gem-Knight Master Diamond YU-GI-OH
Ultra Rare · #BLMM-EN143
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Recent sales · NM · TCGplayereBay sold ↗
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WHERE TO BUY AND SELL
1st Edition · no eBay scan yetFair delivered price
$0
THINwhat a patient buyer pays today, delivered · from asks, not sales
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TCGplayer only, no eBay scan yet
| TCGplayer market | $0.17 | verify ↗ |
| TCGplayer lowest ask | $0.04 |
Single source: TCGplayer market (no usable eBay asks in the last scan).
The verdict · premium
Don't sell this card early or grade it for nothing: the verdict, the grade-worthy math, and an alert before it moves · Premium $7.99/mo →GAME DATA[ + ] SHOW[ × ] HIDE
- ATTACK
- 2900
- 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.
- MONSTERTYPE
- Rock
MORE FROM BATTLES OF LEGEND: MONSTER MAYHEM
FULL SET →
PRICE FAQ
What is Gem-Knight Master Diamond (Battles of Legend: Monster Mayhem) worth today?
+×
Gem-Knight Master Diamond [1st Edition] has a TCGplayer market price of $0.17 as of 2026-09-17.
What is the all-time high price for Gem-Knight Master Diamond?
+×
In TickerMint's daily data (since September 2026), the all-time high market price for Gem-Knight Master Diamond [1st Edition] is $0.17 (2026-09-16) and the all-time low is $0.17 (2026-09-16).
What would a seller actually net for Gem-Knight Master Diamond?
+×
The TickerMint Estimate for Gem-Knight Master Diamond is $0.17. It is a fee-adjusted fair value blending TCGplayer and eBay data to estimate what a seller nets after marketplace fees.
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