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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 £3,843 GBP
As of November 6, 2026
Save £3,523 GBP (48%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £7,366 GBP 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 £3,843 to £7,366, a £3,523 spread on the same certified stone. MOH London lists it at £7,366. 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: £7,366 GBP|Low: £3,843 GBP|High: £7,625 GBP|Avg: £5,256 GBP|-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£3,843 GBP
Retailer 8£4,372 GBP
Retailer 7£4,549 GBP
Retailer 3£4,856 GBP
Retailer 9£4,983 GBP
Retailer 6£5,131 GBP
Retailer 5£5,173 GBP
Retailer 4£5,757 GBP
MOH London£7,366 GBP

37 data points across 9 retailers

10 retailers£3,843 GBP to £7,366 GBP

A
Cheapest Retailer
-
£3,843 GBP
B+
Retailer 2
-
£4,372 GBP
View
B+
Retailer 3
-
£4,549 GBP
View
B+
Retailer 4
-
£4,722 GBP
View
A
Retailer 5
-
£4,856 GBP
View
B+
Retailer 6
-
£4,983 GBP
View
B+
Retailer 7
-
£5,131 GBP
View
B+
Retailer 8
-
£5,173 GBP
View
B+
Retailer 9
-
£5,757 GBP
View
Most Expensive
B+
MOH London
322A99029 · Nov 4
£7,366 GBP
View
9 more retailers have this diamond
Prices start from £3,843 GBPSave up to £3,523 GBP

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
£3,843 GBP