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  6. Gem-Knight Crystal

Yu-Gi-Oh! · Battles of Legend: Monster Mayhem · #BLMM-EN100 · Ultra Rare

Gem-Knight Crystal

Yu-Gi-Oh! card price for Gem-Knight Crystal: $0.16 market, from $0.01 at the cheapest listing, 1st Edition printing, updated Oct 19, 2026. Full price history since Jun 12, 2025 below.

Market price · 1st Edition · Oct 19, 2026
$0.16
0.0% this week · +23.1% in 30 days
Buy on eBay →
1 day0.0%
7 days0.0%
30 days+23.1%
90 days−15.8%
1 year+33.3%
All time−64.4%

Sellers right now

$0.01lowest listing$19.77highest
Market price$0.16
Mid listing$0.25
Direct$0.05
30-day avg$0.16

Market price is what a near-mint copy actually sold for. The cheapest listing is what a seller asks today — on thin markets the two differ a lot.

Where to buy

TCGplayer$0.16

One year

$0.0952-week low$0.2252-week high
In the range54%
All-time low$0.07
All-time high$0.45
First priceJun 12, 2025
1st Edition · market price
$0.12$0.16$0.19$0.23
$0.16
Jul 21Aug 20Sep 19Oct 19
TCGplayer market price · via tcgcsvtcgrate.com

Price story

Gem-Knight Crystal was released in June 2025. Launch-week prices are left out here: before supply arrives they are mostly guesses. Across the past year it went +33.3%, with a low of $0.09 and a high of $0.22; today it sits in the middle of that range. The cheapest listing right now is $0.01, and the 30-day average market price is $0.16.

Printings

PrintingMarketLowHigh7d
1st Edition$0.16$0.01$19.770.0%

The card in play

ATK2450
DEF1950
Card type
Monster
Attribute
EARTH
Monster type
Rock
Card text

A Gem-Knight officer of high rank, who has optimized the use of the crystal powers. Despite his ability to overwhelm most opponents, he's wary of stretching himself too thin, and opts for solidarity with his comrades.

Other printings of Gem-Knight Crystal

2 more · $0.16 – $0.62
All printings
Gem-Knight Crystal (DT06-EN016), Duel Terminal 6 — Yu-Gi-Oh! card price 0.0% 7d Gem-Knight Crystal Duel Terminal 6 · #DT06-EN016 $0.62 Gem-Knight Crystal (HA06-EN001), Hidden Arsenal 6: Omega Xyz — Yu-Gi-Oh! card price 0.0% 7d Gem-Knight Crystal Hidden Arsenal 6: Omega Xyz · #HA06-EN001 $0.22

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