Card Trivia:Gem-Knight Aquamarine
- This monster's head appears in the artwork of "Scatter Fusion".
- This card is named after aquamarine, a blue variation of beryl mineral.
- Visually, this monster is a Fusion of "Gem-Knight Sapphire" and either "Gem-Knight Tourmaline" or "Gem-Knight Amber".
- This monster's thunder-like mark on its chest-plate and the yellow trim on its armor reflect this card's Fusion Material (other than "Gem-Knight Sapphire") being a Thunder monster.
- This monster's bladed shield is a reference to this card's effect of change to Defense Position at the end of the Battle Phase, if it attacks.
- This card has the highest DEF of all the "Gem-Knight" monsters.