Heart|Lab Grown|IGI

0.40ct H VS1 Heart Lab Grown Diamond

ID • H/VS1 • IGI LG799625520

Shape and cutting style on the report: Heart modified brilliant

Certificate IGI LG799625520

Diamond specifications and retailer prices

From €181 EUR
$202 USD
As of November 1, 2026
Save €398 EUR (69%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €579 EUR at MOH London · As of November 1, 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG799625520 or 799625520. Listed at 5 retailers as of November 1, 2026, with prices from €181 to €579, a €398 spread on the same certified stone. MOH London lists it at €579. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.40
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.8°
Pavilion angle30°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799625520
Dimensions4.32 × 3.88 × 2.89 mm
L/W Ratio1.11
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
4.32 mm3.88 mm0.40 ctH / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG799625520
Side View
Table 58.0%Crown 34.8°Girdle: THK-VTKPavilion 30°CuletDepth 66.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €579 EUR|Low: €158 EUR|High: €610 EUR|Avg: €314 EUR|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 5€181 EUR
Retailer 2€202 EUR
Retailer 3€286 EUR
Retailer 4€308 EUR
MOH London€579 EUR

20 data points across 5 retailers

5 retailers€181 EUR to €579 EUR

B+
Cheapest Retailer
-
€181 EUR
$202 USD
B+
Retailer 2
-
€202 EUR
£178 GBP
View
B
Retailer 3
-
€286 EUR
$319 USD
View
B
Retailer 4
-
€308 EUR
$344 USD
View
Most Expensive
B
MOH London
LG799625520 · Nov 1
€579 EUR
£509 GBP
View
4 more retailers have this diamond
Prices start from €181 EURSave up to €398 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.

B+
0.40ct Heart
€181 EUR