tcgrate
  1. tcgrate
  2. Games
  3. Yu-Gi-Oh!
  4. Sets
  5. Battles of Legend: Monster Mayhem
  6. Gem-Knight Amethyst

Yu-Gi-Oh! · Battles of Legend: Monster Mayhem · #BLMM-EN141 · Ultra Rare

Gem-Knight Amethyst

Yu-Gi-Oh! card price for Gem-Knight Amethyst: $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
+6.7% this week · −5.9% in 30 days
Buy on eBay →
1 day0.0%
7 days+6.7%
30 days−5.9%
90 days−20.0%
1 year+33.3%
All time−36.0%

Sellers right now

$0.01lowest listing$19.77highest
Market price$0.16
Mid listing$0.21
Direct$0.05
30-day avg$0.17

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$0.2452-week high
In the range47%
All-time low$0.07
All-time high$0.25
First priceJun 12, 2025
1st Edition · market price
$0.08$0.14$0.20$0.26
$0.16
Oct 2025Feb 2026Jun 2026Oct 2026
TCGplayer market price · via tcgcsvtcgrate.com

Price story

Gem-Knight Amethyst was released in June 2025. Launch-week prices are left out here: before supply arrives they are mostly guesses. In the last year the price changed +33.3% and ranged from $0.09 to $0.24, and it now trades in the middle of that range. The cheapest listing right now is $0.01, and the 30-day average market price is $0.17.

Printings

PrintingMarketLowHigh7d
1st Edition$0.16$0.01$19.77+6.7%

The card in play

ATK1950
DEF2450
Card type
Fusion/Effect Monster
Attribute
EARTH
Monster type
Aqua
Card text

1 "Gem-Knight" monster + 1 Aqua-Type monster
Must first be Fusion Summoned. When this card is sent from the field to the Graveyard: Return all Set Spell and Trap Cards on the field to the hand.

Other printings of Gem-Knight Amethyst

2 more · $0.16 – $1.72
All printings
Gem-Knight Amethyst (DT06-EN083), Duel Terminal 6 — Yu-Gi-Oh! card price +2.4% 7d Gem-Knight Amethyst Duel Terminal 6 · #DT06-EN083 $1.72 Gem-Knight Amethyst (HA06-EN047), Hidden Arsenal 6: Omega Xyz — Yu-Gi-Oh! card price 0.0% 7d Gem-Knight Amethyst Hidden Arsenal 6: Omega Xyz · #HA06-EN047 $1.02

Also in Battles of Legend: Monster Mayhem

most valuable
Full set
Blue-Eyes White Dragon (Starlight Rare) (BLMM-EN001), Battles of Legend: Monster Mayhem — Yu-Gi-Oh! card price 0.0% 7d Blue-Eyes White Dragon (Starlight Rare) Battles of Legend: Monster Mayhem · #BLMM-EN001 $165.45 Galatea-i, the Orcust Automaton (Starlight Rare) (BLMM-EN052), Battles of Legend: Monster Mayhem — Yu-Gi-Oh! card price 0.0% 7d Galatea-i, the Orcust Automaton (Starlight Rare) Battles of Legend: Monster Mayhem · #BLMM-EN052 $76.83 Lady's Dragonmaid (Starlight Rare) (BLMM-EN049), Battles of Legend: Monster Mayhem — Yu-Gi-Oh! card price 0.0% 7d Lady's Dragonmaid (Starlight Rare) Battles of Legend: Monster Mayhem · #BLMM-EN049 $55.51 Necroquip Princess (Starlight Rare) (BLMM-EN146), Battles of Legend: Monster Mayhem — Yu-Gi-Oh! card price −3.2% 7d Necroquip Princess (Starlight Rare) Battles of Legend: Monster Mayhem · #BLMM-EN146 $48.94 Enlilgirsu, the Orcust Mekk-Knight (Starlight Rare) (BLMM-EN053), Battles of Legend: Monster Mayhem — Yu-Gi-Oh! card price −0.2% 7d Enlilgirsu, the Orcust Mekk-Knight (Starlight Rare) Battles of Legend: Monster Mayhem · #BLMM-EN053 $43.61