Yu-Gi-Oh! trading card price guide
Gem-Knight Lady Brilliant Diamond BLMM-EN145
Battles of Legend: Monster Mayhem · Secret Rare
Card Intelligence
Market activity snapshot
Last 90 days ·
- Catalog-matched online sales observed
- 57 — 90-day observation window
- Liquidity
- High — Consistent recent sale activity
- DeckTradr popularity
- Low — Based on aggregated DeckTradr engagement
- Data confidence
- Medium — Based on signal coverage and freshness
$0.27 — DeckTradr online market value · NM · No variant recorded
Accelerating — Compared with the previous 30-day period
DeckTradr combines privacy-qualified in-person POS activity, catalog-matched online sale observations, and aggregated first-party engagement signals. Counts represent activity available to DeckTradr, not every action or sale across the market.
Card facts
Yu-Gi-Oh! · trading card
Gem-Knight Lady Brilliant Diamond BLMM-EN145 is cataloged as a trading card from Battles of Legend: Monster Mayhem for Yu-Gi-Oh!.
The catalog identifies this item with collector number BLMM-EN145, rarity listed as Secret Rare, Normal printing.
Available catalog metadata records a release date of June 13, 2025.
Catalog facts
- Game
- Yu-Gi-Oh!
- Set
- Battles of Legend: Monster Mayhem
- Collector number
- BLMM-EN145
- Rarity
- Secret Rare
- Release date
- June 13, 2025
- Printing
- Normal
- Card type
- Fusion/Effect Monster
Gameplay facts
- Flavor 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 Graveyard, and if you do, Special Summon 1 "Gem-Knight" Fusion Monster from your Extra Deck, ignoring its Summoning conditions.