Secret Rare

Gem-Knight Master Diamond Hidden Arsenal 7: Knight of Stars #HA07-EN059

Card #HA07-EN059

Market value · ungraded

$1.12

▼ 6.0% · 30d

PSA 10

$48

43× raw

Blended from live market data · graded from real sold data
Confidence medium · How we price →

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Gem-Knight Master Diamond is a Secret Rare Yu-Gi-Oh! card from Hidden Arsenal 7: Knight of Stars (#HA07-EN059). Its current blended market value is $1.12 ungraded, with a PSA 10 worth around $48. Prices update from real market data.

Graded prices

Ungraded (raw)$1.12

PSA graded price estimates by grade
Grade	Relative value	Price
PSA 10		$48$48–$48
PSA 9		$33$33–$33

“Sold” = median of real recent sold listings at that grade (eBay or Fanatics Collect — hover a badge to see which). Other figures are blended marketplace estimates. Confidence reflects source backing and price spread — not PSA-official values.

Available to buy nowLive on eBay

Card details

Set: Hidden Arsenal 7: Knight of Stars
Number: #HA07-EN059
Rarity: Secret Rare
Game: Yu-Gi-Oh!

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All Hidden Arsenal 7: Knight of Stars cards →

Where to buy & check prices

Check recent sold prices

eBay sold

Frequently asked questions

How much is Gem-Knight Master Diamond worth?

Gem-Knight Master Diamond (Hidden Arsenal 7: Knight of Stars #HA07-EN059) is worth around $1.12 ungraded, or about $48 in PSA 10, based on live Yu-Gi-Oh! market data.

What is a PSA 10 Gem-Knight Master Diamond worth?

A PSA 10 Gem-Knight Master Diamond sells for around $48, roughly 43× the ungraded price.

Where can I buy Gem-Knight Master Diamond?

You can buy Gem-Knight Master Diamond on TCGplayer, Cardmarket and eBay — see the live listings on this page. Always compare against the blended market value first.

What rarity is Gem-Knight Master Diamond?

Gem-Knight Master Diamond is a Secret Rare Yu-Gi-Oh! card from the Hidden Arsenal 7: Knight of Stars set.