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Heart|Lab Grown|IGI

1.50ct F SI1 Heart Lab Grown Diamond

ID • F/SI1 • IGI LG831621572

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831621572

Diamond specifications and retailer prices

From €382 EUR
As of November 6, 2026
Save €646 EUR (63%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €1,027 EUR at MOH London · As of November 2, 2026
View at MOH London

About this 1.5ct lab-grown heart diamond

This 1.5ct lab-grown heart sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG831621572 or 831621572. Listed at 5 retailers as of November 2, 2026, with prices from €382 to €1,027, a €646 spread on the same certified stone. MOH London lists it at €1,027. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831621572
Dimensions7.86 × 6.85 × 4.78 mm
L/W Ratio1.15
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.86 mm6.85 mm1.50 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831621572
Side View
Table 62.0%Crown 38.1°Girdle: THN-STKPavilion 39.6°Culet: NoneDepth 60.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: €1,027 EUR|Low: €382 EUR|High: €1,040 EUR|Avg: €547 EUR|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 7, 2026
Retailer 4€382 EUR
Retailer 2€398 EUR
Retailer 5€409 EUR
Retailer 3€517 EUR
MOH London€1,027 EUR

27 data points across 5 retailers

5 retailers€382 EUR to €1,027 EUR

B+
Cheapest Retailer
-
€382 EUR
A
Retailer 2
-
€398 EUR
View
A
Retailer 3
-
€409 EUR
View
B+
Retailer 4
-
€517 EUR
View
Most Expensive
B
MOH London
LG831621572 · Nov 2
€1,027 EUR
£903 GBP
View
4 more retailers have this diamond
Prices start from €382 EURSave up to €646 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
1.50ct Heart
€382 EUR