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  6. Stellarknight Constellar Diamond (Quarter Century Secret Rare)

Yu-Gi-Oh! · Quarter Century Stampede · #RA04-EN241 · Quarter Century Secret Rare

Stellarknight Constellar Diamond (Quarter Century Secret Rare)

Yu-Gi-Oh! card price for Stellarknight Constellar Diamond (Quarter Century Secret Rare): $7.18 market, from $4.00 at the cheapest listing, 1st Edition printing, updated Oct 20, 2026. Full price history since Apr 11, 2025 below.

Market price · 1st Edition · Oct 20, 2026
$7.18
−6.0% this week · −17.2% in 30 days
Buy on eBay →
1 day0.0%
7 days−6.0%
30 days−17.2%
90 days−36.5%
1 year+45.6%
All time−10.1%

Sellers right now

$4.00lowest listing$59.99highest
Market price$7.18
Mid listing$7.22
30-day avg$8.07

Market price is what a near-mint copy actually sold for. The cheapest listing is what a seller asks today — on thin markets the two differ a lot.

Where to buy

TCGplayer$7.18

One year

$3.0752-week low$11.3952-week high
In the range49%
All-time low$1.68
All-time high$11.39
First priceApr 11, 2025
1st Edition · market price
$1.12$4.84$8.56$12.27
$7.18
Apr 2025Oct 2025Apr 2026Oct 2026
TCGplayer market price · via tcgcsvtcgrate.com

Price story

Stellarknight Constellar Diamond (Quarter Century Secret Rare) came out in April 2025; we leave the first weeks out of this story, because early prices are set before real supply exists. Across the past year it went +45.6%, with a low of $3.07 and a high of $11.39; today it sits in the middle of that range. Listings currently start at $4.00; over the last 30 days the market price averaged $8.07.

Printings

PrintingMarketLowHigh7d
1st Edition$7.18$4.00$59.99−6.0%

The card in play

ATK2700
DEF2000
Card type
Xyz/Effect Monster
Attribute
LIGHT
Monster type
Wyrm
Card text

3+ Level 5 LIGHT monsters
During your Main Phase 2, you can also Xyz Summon this card by using a "tellarknight" Xyz Monster you control as material, except "Stellarknight Constellar Diamond". (Transfer its materials to this card.) While this card has material, neither player can send cards from the Deck to the GY, and any card that returns from the GY to the hand is banished instead. When an opponent's DARK monster's effect is activated (Quick Effect): You can detach 1 material from this card; negate that activation, and if you do, destroy it.

Other printings of Stellarknight Constellar Diamond

5 more · $0.26 – $8.88
All printings
Stellarknight Constellar Diamond (UTR) (SECE-EN051), Secrets of Eternity — Yu-Gi-Oh! card price −4.6% 7d Stellarknight Constellar Diamond (UTR) Secrets of Eternity · #SECE-EN051 $8.88 Stellarknight Constellar Diamond (SECE-EN051), Secrets of Eternity — Yu-Gi-Oh! card price +0.8% 7d Stellarknight Constellar Diamond Secrets of Eternity · #SECE-EN051 $1.23 Stellarknight Constellar Diamond (MP15-EN224), 2015 Mega-Tins Mega Pack — Yu-Gi-Oh! card price 0.0% 7d Stellarknight Constellar Diamond 2015 Mega-Tins Mega Pack · #MP15-EN224 $0.37 Stellarknight Constellar Diamond (Platinum Secret Rare) (RA04-EN241), Quarter Century Stampede — Yu-Gi-Oh! card price +7.7% 7d Stellarknight Constellar Diamond (Platinum Secret Rare) Quarter Century Stampede · #RA04-EN241 $0.28 Stellarknight Constellar Diamond (BLMR-EN082), Battles of Legend: Monstrous Revenge — Yu-Gi-Oh! card price −10.3% 7d Stellarknight Constellar Diamond Battles of Legend: Monstrous Revenge · #BLMR-EN082 $0.26

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