Gem-Knight Lady Brilliant Diamond

Fusion Effect Monster

Gem-Knight Lady Brilliant Diamond is a Fusion Effect Monster (EARTH/Rock, Level 10) with 3400 ATK / 2000 DEF. First printed in Clash of Rebellions (2015).

Type: Fusion Monster
Attribute: EARTH
Monster type: Rock
Level: 10
ATK / DEF: 3400 / 2000
Archetype: Gem-
Banlist: Unlimited in the TCG, OCG, and Master Duel
TCG release: 2015-08-06
Printings: 2

Card text

3 "Gem-Knight" monsters 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 face-up "Gem-Knight" monster you control to the GY, and if you do, Special Summon 1 "Gem-Knight" Fusion Monster from your Extra Deck, ignoring its Summoning conditions.

Approximate value

≈$0.23

A rough figure from recent listings (updated 2026-07-26), not a market value or official price. It varies a lot with printing, condition, edition, rarity, and grading. Check current listings below before buying or selling.

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Printings & rarities

Set	Set code	Rarity	Release	Price*
Clash of Rebellions	CORE-EN047	Ultra Rare	2015-08-06	$0.23
Battles of Legend: Monster Mayhem	BLMM-EN145	Secret Rare	2025-08-28	$0.23

*Approximate, from recent marketplace listings, not market values.