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 $202 USD
As of October 30, 2026
Save $446 USD (69%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $648 USD at MOH London · As of October 25, 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 October 25, 2026, with prices from $202 to $648, a $446 spread on the same certified stone. MOH London lists it at $648. 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 →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $648 USD|Low: $177 USD|High: $682 USD|Avg: $351 USD|-0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 28, 2026
Retailer 5$202 USD
Retailer 2$226 USD
Retailer 3$319 USD
Retailer 4$344 USD
MOH London$648 USD

19 data points across 5 retailers

5 retailers$202 USD to $648 USD

A
Cheapest Retailer
-
$202 USD
B+
Retailer 2
-
$226 USD
£178 GBP
View
B+
Retailer 3
-
$319 USD
View
B
Retailer 4
-
$344 USD
View
Most Expensive
B
MOH London
LG799625520 · Oct 25
$648 USD
£510 GBP
View
4 more retailers have this diamond
Prices start from $202 USDSave up to $446 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 Heart
$202 USD