Gem-Knight Master Diamond (RA04-EN178) from Quarter Century Stampede (YUGIOH) is available from 2 stores across 2 regions. Cheapest at $3.61 from tcgplayer (US) — 41% cheaper than EU. Prices last updated Jun 16, 2026.
yugioh
Gem-Knight Master Diamond
Quarter Century Stampede
- Collector #
- RA04-EN178
- Rarity
- Quarter Century Secret Rare
- Set
- RA04
2 platforms1 condition
7d Change
-39.8%
$-2.39
Lowest Price
$3.61
TCGPlayersave $2.56
Stores
2
CardTrader, TCGPlayer
Price Range
$3.61 – $6.17
Prices
Buy Now or Wait?
Buy NowConfidence80%
- •Price dropped 40% in the last 7 days.
- •Price is down 40% over 30 days.
Based on recent price trends. Not financial advice.
Price History
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Profit Calculator
Buy Total (USD)
$7.17
Seller Fees
-$0.67
Net Profit
$-4.23
ROI
-59.0%
Break-even sell price: $8.32 on tcgplayer
