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Radiant|Lab Grown|IGI

0.40ct E VS2 Radiant Lab Grown Diamond

ID • E/VS2 • IGI LG685592639

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

Certificate IGI LG685592639

Diamond specifications and retailer prices

From $298 USD
£234 GBP
As of October 23, 2026
13 retailers carry this diamond
Most expensive: $809 USD at MOH London · As of October 19, 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 E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG685592639 or 685592639. Listed at 13 retailers as of October 23, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.40
Carat
E
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.8°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685592639
Dimensions5.59 × 3.56 × 2.40 mm
L/W Ratio1.57
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.59 mm3.56 mm0.40 ctE / VS2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG685592639
Side View
Table 64.0%Crown 36.8°Girdle: MediumPavilion 35.4°Culet: NoneDepth 67.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 23
Current: $809 USD|Low: $99 USD|High: $814 USD|Avg: $311 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 19, 2026
Retailer 9$99 USD
Retailer 10$152 USD
Retailer 5$180 USD
Retailer 12$186 USD
Retailer 2$192 USD
Retailer 6$206 USD
Retailer 8$298 USD
Retailer 7$300 USD
Retailer 3$315 USD
Retailer 4$411 USD
Retailer 11$579 USD
MOH London$809 USD

30 data points across 12 retailers

13 retailers

A
Retailer 1
-
$88 USD
Price last confirmed 10 days ago
A
Retailer 2
-
$117 USD
View
Price last confirmed 11 days ago
A
Retailer 3
-
$128 USD
HK$1,000 HKD
View
Price last confirmed 11 days ago
A
Retailer 4
-
$152 USD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$180 USD
View
Price last confirmed 10 days ago
A
Retailer 6
-
$192 USD
£151 GBP
View
Price last confirmed 10 days ago
B+
Retailer 7
-
$298 USD
£234 GBP
View
B+
Retailer 8
-
$300 USD
View
Price last confirmed 10 days ago
B+
Retailer 9
-
$300 USD
View
Price last confirmed 13 days ago
B+
Retailer 10
-
$315 USD
SGD 425 SGD
View
Price last confirmed 10 days ago
B
Retailer 11
-
$411 USD
View
Price last confirmed 11 days ago
B
Retailer 12
-
$579 USD
£456 GBP
View
Price last confirmed 10 days ago
Most Expensive
B
MOH London
LG685592639 · Oct 19
$809 USD
£637 GBP
View
Price last confirmed 10 days ago
12 more retailers have this diamond
Prices start from $298 USD

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
$298 USD