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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 $7,388 AUD
As of November 6, 2026
Save $6,773 AUD (48%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $14,162 AUD 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 $7,388 to $14,162, a $6,773 spread on the same certified stone. MOH London lists it at $14,162. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $14,162 AUD|Low: $7,388 AUD|High: $14,661 AUD|Avg: $10,105 AUD|-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$7,388 AUD
Retailer 8$8,405 AUD
Retailer 7$8,747 AUD
Retailer 3$9,337 AUD
Retailer 9$9,581 AUD
Retailer 6$9,865 AUD
Retailer 5$9,947 AUD
Retailer 4$11,068 AUD
MOH London$14,162 AUD

37 data points across 9 retailers

10 retailers$7,388 AUD to $14,162 AUD

A
Cheapest Retailer
-
$7,388 AUD
B+
Retailer 2
-
$8,405 AUD
View
B+
Retailer 3
-
$8,747 AUD
View
B+
Retailer 4
-
$9,078 AUD
View
A
Retailer 5
-
$9,337 AUD
View
B+
Retailer 6
-
$9,581 AUD
View
B+
Retailer 7
-
$9,865 AUD
View
B+
Retailer 8
-
$9,947 AUD
View
B+
Retailer 9
-
$11,068 AUD
View
Most Expensive
B+
MOH London
322A99029 · Nov 4
$14,162 AUD
£7,806 GBP
View
9 more retailers have this diamond
Prices start from $7,388 AUDSave up to $6,773 AUD

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
$7,388 AUD