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Marquise|Natural|GIA

1.00ct M SI2 Marquise Natural Diamond

M/SI2 • GIA 6541431070

Certificate GIA 6541431070

Diamond specifications and retailer prices

From $897 USD
As of November 4, 2026
Save $401 USD (31%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,298 USD at Yorxs · As of November 6, 2026
View at Yorxs

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded M colour (faint-tinted) and SI2 clarity (slightly-included) and certified by GIA 6541431070. Listed at 2 retailers as of November 4, 2026, with prices from $897 to $1,298, a $401 spread on the same certified stone. Yorxs lists it at $1,298. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
M
Color
SI2
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6541431070
Dimensions10.26 × 5.12 × 3.16 mm
L/W Ratio2.00
Key to symbols
Crystal, Feather, Needle
Top View
10.26 mm5.12 mm1.00 ctM / SI2
OriginNatural
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6541431070
Side View
Table 55.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 61.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $897 USD|Low: $800 USD|High: $1,472 USD|Avg: $1,121 USD|+3.6%
Retailer 1
Yorxs
November 6, 2026
Retailer 1$897 USD
Yorxs$1,298 USD

20 data points across 2 retailers

2 retailers$897 USD to $1,298 USD

B+
Cheapest Retailer
-
$897 USD
Final sale: no returns
Most Expensive
B+
Yorxs
570940620 · Nov 6
$1,298 USD
€1,236 EUR
View
1 more retailer has this diamond
Prices start from $897 USDSave up to $401 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
1.00ct Marquise
$897 USD