Stellarknight Constellar Diamond (Quarter Century Secret Rare)
Yu-Gi-Oh! · Quarter Century Stampede · Quarter Century Secret Rare · RA04-EN241
Released 2025-04-11
$5.99
30-day forecast: $6.57
Live Yu-Gi-Oh! price tracking, buyout detection, and price predictions for Stellarknight Constellar Diamond (Quarter Century Secret Rare) on TCG Collector Tools.
Card Text
XYZ Monster · Wyrm · LIGHT · Level 5 · ATK 2700 · DEF 2000 · Stellarknight archetype
3 or more 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 the Xyz Material, except "Stellarknight Constellar Diamond". (Xyz Materials attached to that monster also become Xyz Materials on this card.) While this card has Xyz Material, neither player can send cards from the Deck to the Graveyard, and any card that returns from the Graveyard to the hand is banished instead. During either player's turn, when an opponent's DARK monster activates its effect: You can detach 1 Xyz Material from this card; negate that activation, and if you do, destroy it.
Prices Across Marketplaces
Price Forecast
| Horizon | Forecast | vs Today |
|---|---|---|
| 7 days (up) | $6.57 | +9.7% |
| 30 days (up) | $6.57 | +9.7% |
| 90 days | $6.78 | +13.2% |
| 180 days | $6.78 | +13.2% |
| 1 year | $6.78 | +13.2% |
Confidence 21% · Calibrated 30-day range $0.01–$13.76 · mature card · veryHigh volatility
Our Forecast Track Record
What we predicted for this card, and what actually happened. We publish misses as well as hits. Anchored 2026-04-09 · at $3.19 · 111 days ago.
| Horizon | We predicted | Actual | Error |
|---|---|---|---|
| Day 7 | $2.68 | $2.70 | +0.7% |
| Day 30 | $2.60 | $2.69 | +3.5% |
| Day 90 | $2.65 | $8.15 | +207.5% |
Signal Analysis
Mixed signals. Monitor for clearer direction.
Printings (6)
| Set | Code | Rarity | Price |
|---|---|---|---|
| 2015 Mega-Tin Mega Pack | MP15-EN224 | Ultra Rare | — |
| Battles of Legend: Monstrous Revenge | BLMR-EN082 | Ultra Rare | — |
| Quarter Century Stampede | RA04-EN241 | Platinum Secret Rare | — |
| Quarter Century Stampede | RA04-EN241 | Quarter Century Secret Rare | — |
| Secrets of Eternity | SECE-EN051 | Ultimate Rare | — |
| Secrets of Eternity | SECE-EN051 | Ultra Rare | — |
Recent Price History
Frequently Asked Questions
How much is Stellarknight Constellar Diamond (Quarter Century Secret Rare) worth?
Stellarknight Constellar Diamond (Quarter Century Secret Rare) is currently $5.99 on TCGplayer for the Quarter Century Stampede printing. Prices update daily from live marketplace data.
Is Stellarknight Constellar Diamond (Quarter Century Secret Rare) going up or down in price?
Our 30-day forecast for Stellarknight Constellar Diamond (Quarter Century Secret Rare) is $6.57, with a up trend at 21% confidence.
How many times has Stellarknight Constellar Diamond (Quarter Century Secret Rare) been printed?
Stellarknight Constellar Diamond (Quarter Century Secret Rare) has 6 known printings, including 2015 Mega-Tin Mega Pack, Battles of Legend: Monstrous Revenge, Quarter Century Stampede.