CaratHunter
Plans
Cushion|Lab Grown|IGI

0.40ct E VVS1 Cushion Lab Grown Diamond

EX • E/VVS1 • IGI LG772608217

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG772608217

Diamond specifications and retailer prices

From £185 GBP
€236 EUR
As of October 29, 2026
Save £79 GBP (30%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £851 GBP 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG772608217 or 772608217. Listed at 6 retailers as of October 26, 2026, with a 43% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG772608217
Dimensions3.88 × 3.88 × 5.22 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
3.88 mm3.88 mm0.40 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG772608217
Side View
Table 62.0%Crown 34.5°Girdle: STK-VTKPavilion 36.2°Culet: NoneDepth 66.0%

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 29
Current: £851 GBP|Low: £179 GBP|High: £857 GBP|Avg: £317 GBP|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 2£185 GBP
Retailer 6£191 GBP
Retailer 8£193 GBP
Retailer 7£196 GBP
Retailer 5£202 GBP
Retailer 11£215 GBP
Retailer 4£264 GBP
Retailer 10£304 GBP
Retailer 3£309 GBP
Retailer 9£751 GBP
MOH London£851 GBP

16 data points across 11 retailers

6 retailers£185 GBP to £264 GBP

A
Cheapest Retailer
-
£185 GBP
€236 EUR
A
Retailer 2
-
£191 GBP
HK$2,000 HKD
View
A
Retailer 3
-
£202 GBP
$271 USD
View
B+
Retailer 4
-
£264 GBP
A$544 AUD
View
Retailer 5
-
£304 GBP
A$627 AUD
View
Price last confirmed 165 days ago
Most Expensive
MOH London
LG772608217 · Oct 29
£851 GBP
View
Price under review
5 more retailers have this diamond
Prices start from £185 GBPSave up to £79 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 Cushion
£185 GBP