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Heart|Lab Grown|IGI

1.52ct D SI1 Heart Lab Grown Diamond

ID • D/SI1 • IGI LG841644165

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG841644165

Diamond specifications and retailer prices

From €333 EUR
As of November 6, 2026
Save €510 EUR (60%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €998 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1.52ct lab-grown heart diamond

This 1.52ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG841644165 or 841644165. Listed at 6 retailers as of November 6, 2026, with a 153% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.52
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841644165
Dimensions7.89 × 7.69 × 4.34 mm
L/W Ratio1.03
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
7.89 mm7.69 mm1.52 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841644165
Side View
Table 64.0%Crown 33.7°Girdle: STK-THKPavilion 37.6°Culet: NoneDepth 55.0%

Caratlytics Score

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

Last verified: Nov 6
Current: €998 EUR|Low: €333 EUR|High: €998 EUR|Avg: €570 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 6€333 EUR
Retailer 2€411 EUR
Retailer 4€453 EUR
Retailer 3€457 EUR
Retailer 5€843 EUR
MOH London€998 EUR

26 data points across 6 retailers

6 retailers€333 EUR to €843 EUR

B+
Cheapest Retailer
-
€333 EUR
A
Retailer 2
-
€411 EUR
View
B+
Retailer 3
-
€453 EUR
View
B+
Retailer 4
-
€457 EUR
View
B
Retailer 5
-
€843 EUR
View
Most Expensive
MOH London
LG841644165 · Oct 29
€998 EUR
£877 GBP
View
Price last confirmed 8 days ago
5 more retailers have this diamond
Prices start from €333 EURSave up to €510 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
1.52ct Heart
€333 EUR