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Radiant|Lab Grown|IGI

0.40ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG539235843

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

Certificate IGI LG539235843

Diamond specifications and retailer prices

From £78 GBP
$104 USD
As of October 30, 2026
Save £732 GBP (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £810 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.4ct lab-grown radiant diamond

This 0.4ct lab-grown radiant sits in the sub-half-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG539235843 or 539235843. Listed at 16 retailers as of October 29, 2026, with prices from £78 to £810, a £732 spread on the same certified stone. MOH London lists it at £810. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.40
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.9°
Pavilion angle31.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG539235843
Dimensions4.97 × 3.64 × 2.51 mm
L/W Ratio1.37
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
4.97 mm3.64 mm0.40 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG539235843
Side View
Table 65.0%Crown 38.9°Girdle: Slightly ThickPavilion 31.1°Culet: NoneDepth 69.0%

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: Oct 30
Current: £810 GBP|Low: £74 GBP|High: £815 GBP|Avg: £257 GBP|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 10£78 GBP
Retailer 3£90 GBP
Retailer 4£103 GBP
Retailer 12£103 GBP
Retailer 8£174 GBP
Retailer 2£189 GBP
Retailer 14£194 GBP
Retailer 11£225 GBP
Retailer 7£248 GBP
Retailer 9£251 GBP
Retailer 5£267 GBP
Retailer 13£310 GBP
Retailer 6£504 GBP
MOH London£810 GBP

46 data points across 14 retailers

16 retailers£78 GBP to £810 GBP

A
Cheapest Retailer
-
£78 GBP
$104 USD
A
Retailer 2
-
£90 GBP
$120 USD
View
A
Retailer 3
-
£103 GBP
$137 USD
View
A
Retailer 4
-
£103 GBP
$137 USD
View
A
Retailer 5
-
£174 GBP
ZAR 3,749 ZAR
View
B+
Retailer 6
-
£189 GBP
View
B+
Retailer 7
-
£192 GBP
HK$2,000 HKD
View
B+
Retailer 8
-
£194 GBP
$259 USD
View
B+
Retailer 9
-
£225 GBP
$300 USD
View
B+
Retailer 10
-
£248 GBP
View
B+
Retailer 11
-
£251 GBP
A$514 AUD
View
B+
Retailer 12
-
£267 GBP
$355 USD
View
B
Retailer 13
-
£310 GBP
$413 USD
View
B
Retailer 14
-
£354 GBP
$471 USD
View
B
Retailer 15
-
£504 GBP
View
Most Expensive
B
MOH London
LG539235843 · Oct 29
£810 GBP
View
15 more retailers have this diamond
Prices start from £78 GBPSave up to £732 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
£78 GBP