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Radiant|Natural|IGI

0.40ct E SI2 Radiant Natural Diamond

VG • E/SI2 • IGI 741597026

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI 741597026

Diamond specifications and retailer prices

From £194 GBP
As of November 6, 2026
Save £441 GBP (69%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £636 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 0.4ct natural radiant diamond

This 0.4ct natural radiant sits in the sub-half-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 741597026. Listed at 6 retailers as of November 2, 2026, with prices from £194 to £636, a £441 spread on the same certified stone. MOH London lists it at £636. 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
E
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle40.4°
Pavilion angle31.3°
OriginNatural
Grading LabIGI
CertificateIGI 741597026
Dimensions4.85 × 3.77 × 2.51 mm
L/W Ratio1.29
Culet sizePointed
Top View
4.85 mm3.77 mm0.40 ctE / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 741597026
Side View
Table 57.0%Crown 40.4°Girdle: STK-THKPavilion 31.3°Culet: NoneDepth 66.6%

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: £636 GBP|Low: £194 GBP|High: £658 GBP|Avg: £417 GBP|-2.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 2£194 GBP
Retailer 5£373 GBP
Retailer 4£377 GBP
Retailer 6£380 GBP
Retailer 3£502 GBP
MOH London£636 GBP

43 data points across 6 retailers

6 retailers£194 GBP to £636 GBP

A
Cheapest Retailer
-
£194 GBP
B+
Retailer 2
-
£373 GBP
View
B+
Retailer 3
-
£377 GBP
View
B+
Retailer 4
-
£380 GBP
View
B
Retailer 5
-
£502 GBP
View
Most Expensive
B
MOH London
087E5AE48 · Nov 2
£636 GBP
View
5 more retailers have this diamond
Prices start from £194 GBPSave up to £441 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 Radiant
£194 GBP