TCGIndexTCGIndex
Gem-Knight Quartz
Yu-Gi-Oh · Ultra Rare

Gem-Knight Quartz

$0.66
+$0.01+1.6% · 30D
Aggregated from verified sold data · eBay, TCGplayer & PriceCharting
Where these prices come from

Yu-Gi-Oh prices on TCGIndex are TCGplayer market prices (the US market), in US dollars, with graded and sold prices from PriceCharting and eBay. Another currency is a conversion from USD at the day's rate, not a European market price. We do not use Cardmarket or Cardtrader prices for Yu-Gi-Oh.

Market Health
Excellent
Strong demand
Confidence
86/100
High reliability
Liquidity
Medium
Moderate activity
Sales Volume
40 / yr
Sold per year, updated 1h ago
Buy

We may earn a commission from qualifying purchases made through our eBay & TCGplayer links.

Before the price moves

We find the Yu-Gi-Oh cards about to rise.

Every night the model scores every Yu-Gi-Oh! card on the market. Every morning at 07:30 UTC it publishes the one most likely to gain 10% within 30 days, with its entry price and the reasons, then scores it in public.

Hit +10%
53%
Average return, day 30
+16.8%
Picks scored
145

Last 90 days, live picks only, losses included.

See today’s Yu-Gi-Oh! pick

Published this morning, public in 14 days. Full record

Price & Volume
Market price Sales volume
Jul 2026 – today
Sales & Liquidity
Market Price$0.66
7-Day Change-3.1%
90-Day Change+13.8%
LiquidityMedium
Market TrendStable
Price by Grade
BGS 10$43·
PSA 10$33·
SGC 10$20·
CGC 10$13·
PSA 9$7·
Raw· 40 sales$1·
Price by Condition · 4
Anchored to market price · condition spread from TCGplayer
Near Mint
1st Edition · English
$0.66
-3.1%
Lightly Played
1st Edition · English
$0.34
+14.3%
Moderately Played
1st Edition · English
$0.31
+0.0%
Damaged
1st Edition · English
$0.22
+0.0%

Gem-Knight Quartz price history

Near Mint market price on the dates below, from TCGIndex's daily record (113 days tracked). High $0.75 on Sep 2026, low $0.40 on Mar 2026.

WhenPricevs today
Today$0.63
7 days ago$0.65-3.1%
30 days ago$0.62+1.6%
90 days ago$0.55+14.5%
6 months ago$0.41+53.7%
MonthMonth-end price
Jan 2026$0.42
Feb 2026$0.46
Mar 2026$0.41
Apr 2026$0.55
May 2026$0.45
Jun 2026$0.45
Jul 2026$0.44
Aug 2026$0.57
Sep 2026$0.75
Oct 2026$0.71
Nov 2026$0.63

Gem-Knight Quartz PSA 10 price and graded values

What Gem-Knight Quartz (25th Anniversary Tin: Dueling Mirrors) sells for by grade, from verified sold listings. A PSA 10 sells for $33.03 against $0.66 raw, a 50x grading premium. PSA 9 copies trade around $7.00.

GradeMarket price
Raw (ungraded)$0.66
PSA 9$7.00
CGC 10$13.00
SGC 10$20.00
PSA 10$33.03
BGS 10$43.00

Graded prices: PriceCharting sold data, refreshed daily. Grading costs, turnaround and the odds of a 10 decide whether the premium is worth chasing. Most valuable Yu-Gi-Oh PSA 10 cards

Gem-Knight Quartz FAQ

How much is Gem-Knight Quartz worth right now?
Gem-Knight Quartz from 25th Anniversary Tin: Dueling Mirrors is trading around $0.66 raw (ungraded) on the secondary market, and around $33.03 as a PSA 10. TCGIndex refreshes this price every day.
How much is Gem-Knight Quartz PSA 10 worth?
A PSA 10 Gem-Knight Quartz sells for around $33.03, a PSA 9 around $7.00, against $0.66 for a raw copy. These are market prices from verified sold listings, updated daily.
Is Gem-Knight Quartz worth grading?
A PSA 10 Gem-Knight Quartz is worth about 50 times the raw price ($33.03 vs $0.66). Grading pays off when the gap covers the grading fee and the risk of a 9 ($7.00): at $0.66 raw the grading fee costs more than the card itself, so it pays only for a copy you expect to come back a 10.
Is Gem-Knight Quartz going up or down?
Gem-Knight Quartz is up 1.6% over 30 days, down 3.1% over 7 days. The full price history is on this page.
Is Gem-Knight Quartz a good investment?
TCGIndex doesn't give financial advice, but here's the data worth knowing: it sits around $0.66, up 1.6% over the last 30 days, with low volatility. Prices can move fast, so look at the trend and your own timeframe before you buy. TCGIndex publishes one Yu-Gi-Oh pick every morning; each pick becomes public 14 days later and is scored at day 30.

Other printings of Gem-Knight Quartz

Gem-Knight Quartz has 2 other priced printings, from $0.21 to $0.24. Cheapest first.