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Marquise|Natural|IGI

2.31ct K SI1 Marquise Natural Diamond

VG • K/SI1 • IGI 828653314

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 828653314

Diamond specifications and retailer prices

From $5,172 USD
As of November 6, 2026
Save $4,742 USD (48%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $9,914 USD at MOH London · As of November 4, 2026
View at MOH London

About this 2.31ct natural marquise diamond

This 2.31ct natural marquise sits in the two to three carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 828653314. Listed at 10 retailers as of November 4, 2026, with prices from $5,172 to $9,914, a $4,742 spread on the same certified stone. MOH London lists it at $9,914. 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

2.31
Carat
K
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39°
Pavilion angle32°
OriginNatural
Grading LabIGI
CertificateIGI 828653314
Dimensions13.23 × 6.96 × 4.05 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizeNone
Top View
13.23 mm6.96 mm2.31 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 828653314
Side View
Table 60.0%Crown 39°Girdle: STK-THKPavilion 32°Culet: NoneDepth 58.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $9,914 USD|Low: $5,172 USD|High: $10,263 USD|Avg: $7,074 USD|-3.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 2$5,172 USD
Retailer 8$5,884 USD
Retailer 7$6,123 USD
Retailer 3$6,536 USD
Retailer 9$6,707 USD
Retailer 6$6,906 USD
Retailer 5$6,963 USD
Retailer 4$7,748 USD
MOH London$9,914 USD

37 data points across 9 retailers

10 retailers$5,172 USD to $9,914 USD

A
Cheapest Retailer
-
$5,172 USD
B+
Retailer 2
-
$5,884 USD
View
B+
Retailer 3
-
$6,123 USD
View
B+
Retailer 4
-
$6,355 USD
View
A
Retailer 5
-
$6,536 USD
View
B+
Retailer 6
-
$6,707 USD
View
B+
Retailer 7
-
$6,906 USD
View
B+
Retailer 8
-
$6,963 USD
View
B+
Retailer 9
-
$7,748 USD
View
Most Expensive
B+
MOH London
322A99029 · Nov 4
$9,914 USD
£7,806 GBP
View
9 more retailers have this diamond
Prices start from $5,172 USDSave up to $4,742 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.

A
2.31ct Marquise
$5,172 USD