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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 $9,200 NZD
As of November 6, 2026
Save $8,435 NZD (48%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $17,635 NZD 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 $9,200 to $17,635, a $8,435 spread on the same certified stone. MOH London lists it at $17,635. 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: $17,635 NZD|Low: $9,200 NZD|High: $18,257 NZD|Avg: $12,584 NZD|-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$9,200 NZD
Retailer 8$10,467 NZD
Retailer 7$10,892 NZD
Retailer 3$11,627 NZD
Retailer 9$11,931 NZD
Retailer 6$12,285 NZD
Retailer 5$12,386 NZD
Retailer 4$13,783 NZD
MOH London$17,635 NZD

37 data points across 9 retailers

10 retailers$9,200 NZD to $17,635 NZD

A
Cheapest Retailer
-
$9,200 NZD
B+
Retailer 2
-
$10,467 NZD
View
B+
Retailer 3
-
$10,892 NZD
View
B+
Retailer 4
-
$11,305 NZD
View
A
Retailer 5
-
$11,627 NZD
View
B+
Retailer 6
-
$11,931 NZD
View
B+
Retailer 7
-
$12,285 NZD
View
B+
Retailer 8
-
$12,386 NZD
View
B+
Retailer 9
-
$13,783 NZD
View
Most Expensive
B+
MOH London
322A99029 · Nov 4
$17,635 NZD
£7,806 GBP
View
9 more retailers have this diamond
Prices start from $9,200 NZDSave up to $8,435 NZD

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
$9,200 NZD