Yu-Gi-Oh! · Battles of Legend: Monster Mayhem
Gem-Knight Lady Brilliant Diamond
#BLMM-EN145 · Secret Rare · Fusion/Effect Monster
$0.26
TCGplayer market price for one raw (ungraded) copy, 1st Edition, via TCGCSV, updated Oct 28, 2026.
Market prices by printing
TCGplayer via TCGCSV · USD
Updated Oct 28, 2026
| Printing | Market | Low | Mid | As of |
|---|---|---|---|---|
| 1st Editionmain | $0.26 | $0.05 | $0.29 | Oct 28, 2026 |
Price history
Current eBay listings
Buy It Now listings on eBay, shown as asking prices, not sales, in USD before shipping and tax. They are matched to this card by title, so a listing can still be a different printing or condition. Listing data comes from eBay and is kept for up to four hours.
Should you grade it?
The raw market price is $0.26 (1st Edition). Grading pays only when the grade you are likely to get sells for more than the raw card plus grading fees, shipping and selling fees. Asking prices are not sales, and most raw copies do not grade a 10.
Card details
- ATK
- 3400
- DEF
- 2000
- Type
- Rock
- Card type
- Fusion Monster
- Level
- 10
- Attack
- 3400
- Defense
- 2000
- Passcode
- 19355597
- Attribute
- EARTH
- Attribute
- EARTH
- Monster Type
- Rock
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 Graveyard, and if you do, Special Summon 1 "Gem-Knight" Fusion Monster from your Extra Deck, ignoring its Summoning conditions.
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 Graveyard, and if you do, Special Summon 1 "Gem-Knight" Fusion Monster from your Extra Deck, ignoring its Summoning conditions.