Yu-Gi-Oh! · Hidden Arsenal 7: Knight of Stars
Gem-Knight Master Diamond
#HA07-EN059 · Secret Rare · Fusion/Effect Monster
$1.22
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 | $1.22 | $0.60 | $1.45 | Oct 28, 2026 |
| Unlimited | $0.91 | $0.92 | $1.18 | Oct 28, 2026 |
Price history
Current eBay listings
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Should you grade it?
The raw market price is $1.22 (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
- 2900
- DEF
- 2500
- Type
- Rock
- Card type
- Fusion Monster
- Level
- 9
- Attack
- 2900
- Defense
- 2500
- Passcode
- 39512984
- Attribute
- EARTH
- Attribute
- EARTH
- Monster Type
- Rock
Card text
3 "Gem-Knight" monsters Must first be Fusion Summoned. This card gains 100 ATK for each "Gem-" monster in your Graveyard. Once per turn: You can banish 1 Level 7 or lower "Gem-Knight" Fusion Monster from your Graveyard; until the End Phase, this card's name becomes that monster's, and replace this effect with that monster's original effects.
Card text
3 "Gem-Knight" monsters // Must first be Fusion Summoned. This card gains 100 ATK for each "Gem-" monster in your Graveyard. Once per turn: You can banish 1 Level 7 or lower "Gem-Knight" Fusion Monster from your Graveyard; until the End Phase, this card's name and original effect become the same as that banished monster's.