Gem-Knight Lady Brilliant Diamond
Gem-Knight Lady Brilliant Diamond is a Fusion Effect Monster in the Gem- archetype, first released in 2015 in Clash of Rebellions. It has 2 printings across 2 sets (Ultra Rare, Secret Rare). The cheapest copy is BLMM-EN145 Secret Rare at $0.30; the most valuable is CORE-EN047 Ultra Rare at $0.84. In the TCG it is currently unlimited (3 copies).
Market price · TCGPlayer
Updated Oct 1, 2026
$0.30 – $0.84
2 printings priced
Type
Rock
Level
10
ATK
3400
DEF
2000
3 "Gem-Knight" monsters <br>Must first be Fusion Summoned with the above Fusion Materials. You can only Special Summon "Gem-Knight Lady Brilliant Diamond(s)" once per turn. Once per turn: You can send 1 "Gem-Knight" monster you control to the Graveyard, and if you do, Special Summon 1 "Gem-Knight" Fusion Monster from your Extra Deck, ignoring its Summoning conditions.
Appears in 2 expansions
Printings (2)
| expansion | Code | Rarity | Price | Buy |
|---|---|---|---|---|
| Clash of Rebellions | CORE-EN047 | Ultra Rare | $0.84 | |
| Battles of Legend: Monster Mayhem | BLMM-EN145 | Secret Rare | $0.30 |
Gem-Knight Lady Brilliant Diamond: FAQ
How much is Gem-Knight Lady Brilliant Diamond worth?+
Gem-Knight Lady Brilliant Diamond currently sells for $0.30 – $0.84 on TCGPlayer, from $0.30 for BLMM-EN145 up to $0.84 for CORE-EN047. The exact value depends on the printing, rarity, edition and condition — scan the card with YuScan to see the price of your copy.
Which sets was Gem-Knight Lady Brilliant Diamond printed in?+
Gem-Knight Lady Brilliant Diamond appears in 2 sets: Clash of Rebellions, Battles of Legend: Monster Mayhem.
Is Gem-Knight Lady Brilliant Diamond legal in tournaments?+
On the current TCG Forbidden & Limited List, Gem-Knight Lady Brilliant Diamond is unlimited (3 copies).
What is the passcode of Gem-Knight Lady Brilliant Diamond?+
The 8-digit passcode printed on Gem-Knight Lady Brilliant Diamond is 19355597.
Gem-
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