Gem-Knight Crystal

Battles of Legend: Monster Mayhem (2025), Yu-Gi-Oh!, BLMM-EN100, Ultra Rare


Gem-Knight Crystal

Printing: 1st Edition · Near Mint

$0.16

TCGplayer market price (an average of recent sales)

As of Oct 25 (today). Unchanged since Oct 12.

Listed median$0.24asks on TCGplayer as of Oct 25 (1.5× the market price)

Change

7d0.0%30d−5.9% −$0.0190d−20.0% −$0.041y+45.5% +$0.05

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Related cards

Price trend

Oct 17 $0.16 → Oct 24, 2026 $0.16 0.0%

$0.16
Oct 17, 2026Oct 19, 2026Oct 20, 2026Oct 21, 2026Oct 24, 2026

Sep 24 $0.17 → Oct 24, 2026 $0.16 −5.9%

$0.17$0.15$0.16
Sep 24, 2026Oct 4, 2026Oct 9, 2026Oct 14, 2026Oct 24, 2026

Jul 26 $0.20 → Oct 24, 2026 $0.16 −20.0%

$0.22$0.13$0.14$0.18$0.20$0.16
Jul 26, 2026Aug 25, 2026Sep 9, 2026Sep 24, 2026Oct 24, 2026

Oct 24, 2025 $0.11 → Oct 24, 2026 $0.16 +45.5%

$0.22$0.11$0.15$0.20$0.16
Oct 24, 2025Feb 22, 2026Apr 24, 2026Jun 24, 2026Oct 24, 2026

Jun 12, 2025 $0.45 → Oct 24, 2026 $0.16 −64.4%

$0.45$0.07$0.20$0.30$0.40$0.16
Jun 12, 2025Nov 25, 2025Feb 16, 2026May 10, 2026Oct 24, 2026

Record

Price history Jun 12, 2025 to Oct 24, 2026

Highest before release$0.45Jun 12, 2025 only
Highest since release$0.22Jun 13, 2025 only
Lowest$0.07Jun 23, 2025 only
Vs highest since release27% below $0.22

Price changes, last 30 days

DatePriceChange
Sep 30$0.17 → $0.16−5.9%Show on chart
Oct 1$0.16 → $0.17+6.3%Show on chart
Oct 9$0.17 → $0.15−11.8%Show on chart
Oct 12$0.15 → $0.16+6.7%Show on chart

Vs its set

Over the 90 days to Oct 24, 2026: this card −20.0%; the median other printing in Battles of Legend: Monster Mayhem 0.0% (201 other printings). 188 of those 201 changed price, but no more than half rose and no more than half fell, so the middle change is 0%.

Keep exploring

Live market

Newest TCGplayer value: Oct 25, 2026. Prices in USD. Card names and images © their respective publishers. See how these prices are made.