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Cushion|Lab Grown|IGI

0.40ct E VS1 Cushion Lab Grown Diamond

VG • E/VS1 • IGI LG846668058

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG846668058

Diamond specifications and retailer prices

From €143 EUR
$160 USD
As of October 30, 2026
Save €631 EUR (82%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €774 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 0.4ct lab-grown cushion diamond

This 0.4ct lab-grown cushion sits in the sub-half-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG846668058 or 846668058. Listed at 6 retailers as of October 29, 2026, with prices from €143 to €774, a €631 spread on the same certified stone. MOH London lists it at €774. 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
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.2°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846668058
Dimensions4.29 × 4.15 × 2.78 mm
L/W Ratio1.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
4.29 mm4.15 mm0.40 ctE / VS1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG846668058
Side View
Table 63.0%Crown 33.2°Girdle: MED-STKPavilion 37.6°CuletDepth 67.0%

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 30
Current: €774 EUR|Low: €143 EUR|High: €774 EUR|Avg: €326 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 2€143 EUR
Retailer 3€199 EUR
Retailer 5€199 EUR
Retailer 4€269 EUR
Retailer 6€390 EUR
MOH London€774 EUR

3 data points across 6 retailers

6 retailers€143 EUR to €774 EUR

A
Cheapest Retailer
-
€143 EUR
$160 USD
A
Retailer 2
-
€199 EUR
£175 GBP
View
B+
Retailer 3
-
€199 EUR
View
B
Retailer 4
-
€269 EUR
£237 GBP
View
B
Retailer 5
-
€390 EUR
$436 USD
View
Most Expensive
C
MOH London
LG846668058 · Oct 29
€774 EUR
£681 GBP
View
5 more retailers have this diamond
Prices start from €143 EURSave up to €631 EUR

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 Cushion
€143 EUR