loading card
Gem-Knight Aquamarine YU-GI-OH
Ultra Rare · #BLMM-EN137
loading condition prices
Recent sales · NM · TCGplayereBay sold ↗
loading sales
LOADING TAPE
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
show the work →
TCGplayer only, no eBay scan yet
| TCGplayer market | $0.16 | verify ↗ |
| TCGplayer lowest ask | $0.03 |
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
- 1400
- DEFENSE
- 2600
- ATTRIBUTE
- EARTH
- CARD TYPE
- Fusion/Effect Monster
- DESCRIPTION
- "Gem-Knight Sapphire" + 1 "Gem-Knight" monster Must first be Fusion Summoned with the above Fusion Material Monsters. If this card attacks, it is changed to Defense Position at the end of the Battle Phase. When this card is sent from the field to the Graveyard: Target 1 card your opponent controls; return that target to the hand.
- MONSTERTYPE
- Aqua
MORE FROM BATTLES OF LEGEND: MONSTER MAYHEM
FULL SET →
PRICE FAQ
What is Gem-Knight Aquamarine (Battles of Legend: Monster Mayhem) worth today?
+×
Gem-Knight Aquamarine [1st Edition] has a TCGplayer market price of $0.16 as of 2026-09-17.
What is the all-time high price for Gem-Knight Aquamarine?
+×
In TickerMint's daily data (since September 2026), the all-time high market price for Gem-Knight Aquamarine [1st Edition] is $0.17 (2026-09-16) and the all-time low is $0.16 (2026-09-17).
What would a seller actually net for Gem-Knight Aquamarine?
+×
The TickerMint Estimate for Gem-Knight Aquamarine is $0.16. It is a fee-adjusted fair value blending TCGplayer and eBay data to estimate what a seller nets after marketplace fees.
DISCUSSION
LOG IN to join the discussion.
What's your read on this card? Start the thread.
GET THE WEEKLY DEEP DIVE
One email a week, every Thursday · unsubscribe anytime
