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Heart|Lab Grown|IGI

0.40ct D VS1 Heart Lab Grown Diamond

EX • D/VS1 • IGI LG835653815

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG835653815

Diamond specifications and retailer prices

From £128 GBP
$170 USD
As of October 30, 2026
Save £569 GBP (82%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £696 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.4ct lab-grown heart diamond

This 0.4ct lab-grown heart sits in the sub-half-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG835653815 or 835653815. Listed at 7 retailers as of October 29, 2026, with prices from £128 to £696, a £569 spread on the same certified stone. MOH London lists it at £696. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.40
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835653815
Dimensions5.10 × 4.67 × 2.67 mm
L/W Ratio1.09
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.10 mm4.67 mm0.40 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835653815
Side View
Table 63.0%Crown 34.9°Girdle: THK-VTKPavilion 37.1°Culet: NoneDepth 52.4%

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 30
Current: £696 GBP|Low: £128 GBP|High: £696 GBP|Avg: £284 GBP|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 7£128 GBP
Retailer 3£173 GBP
Retailer 2£183 GBP
Retailer 5£204 GBP
Retailer 4£242 GBP
Retailer 6£347 GBP
MOH London£696 GBP

6 data points across 7 retailers

7 retailers£128 GBP to £696 GBP

A
Cheapest Retailer
-
£128 GBP
$170 USD
B+
Retailer 2
-
£173 GBP
€219 EUR
View
B+
Retailer 3
-
£183 GBP
View
B+
Retailer 4
-
£204 GBP
A$418 AUD
View
B+
Retailer 5
-
£242 GBP
View
B
Retailer 6
-
£347 GBP
$462 USD
View
Most Expensive
B
MOH London
LG835653815 · Oct 29
£696 GBP
View
6 more retailers have this diamond
Prices start from £128 GBPSave up to £569 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 Heart
£128 GBP