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Marquise|Natural|IGI

0.40ct J VS2 Marquise Natural Diamond

VG • J/VS2 • IGI 810631816

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 810631816

Diamond specifications and retailer prices

From £193 GBP
As of November 6, 2026
Save £427 GBP (69%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £620 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 0.4ct natural marquise diamond

This 0.4ct natural marquise sits in the sub-half-carat band, graded J colour (near-colourless) and VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 810631816. Listed at 8 retailers as of November 4, 2026, with prices from £193 to £620, a £427 spread on the same certified stone. MOH London lists it at £620. 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

0.40
Carat
J
Colour
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle29.7°
Pavilion angle42.8°
OriginNatural
Grading LabIGI
CertificateIGI 810631816
Dimensions7.35 × 3.81 × 2.43 mm
L/W Ratio1.93
Girdle conditionFaceted
Top View
7.35 mm3.81 mm0.40 ctJ / VS2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 810631816
Side View
Table 60.0%Crown 29.7°Girdle: STK-VTKPavilion 42.8°CuletDepth 63.8%

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: £620 GBP|Low: £193 GBP|High: £651 GBP|Avg: £383 GBP|-4.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 2£193 GBP
Retailer 6£289 GBP
Retailer 3£357 GBP
Retailer 8£366 GBP
Retailer 7£395 GBP
Retailer 4£418 GBP
Retailer 5£446 GBP
MOH London£620 GBP

39 data points across 8 retailers

8 retailers£193 GBP to £620 GBP

A
Cheapest Retailer
-
£193 GBP
Retailer 2
-
£289 GBP
View
Price last confirmed 22 days ago
B
Retailer 3
-
£357 GBP
View
B
Retailer 4
-
£366 GBP
View
B
Retailer 5
-
£395 GBP
View
B
Retailer 6
-
£418 GBP
View
B
Retailer 7
-
£446 GBP
View
Most Expensive
C
MOH London
14421E19A · Nov 4
£620 GBP
View
7 more retailers have this diamond
Prices start from £193 GBPSave up to £427 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
0.40ct Marquise
£193 GBP