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Heart|Lab Grown|IGI

1.50ct F SI1 Heart Lab Grown Diamond

ID • F/SI1 • IGI LG522254245

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG522254245

Diamond specifications and retailer prices

From €259 EUR
As of November 6, 2026
Save €1,023 EUR (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €1,282 EUR at MOH London · As of November 5, 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 LG522254245 or 522254245. Listed at 14 retailers as of November 5, 2026, with prices from €259 to €1,282, a €1,023 spread on the same certified stone. MOH London lists it at €1,282. 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 angle36.5°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG522254245
Dimensions7.89 × 7.12 × 4.58 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.89 mm7.12 mm1.50 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG522254245
Side View
Table 60.5%Crown 36.5°Girdle: STK-VTKPavilion 40°Culet: NoneDepth 58.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: €1,282 EUR|Low: €248 EUR|High: €1,487 EUR|Avg: €633 EUR|+3.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 7, 2026
Retailer 9€259 EUR
Retailer 5€289 EUR
Retailer 13€300 EUR
Retailer 3€321 EUR
Retailer 10€321 EUR
Retailer 7€461 EUR
Retailer 12€527 EUR
Retailer 4€554 EUR
Retailer 2€562 EUR
Retailer 8€985 EUR
Retailer 11€1,031 EUR
Retailer 6€1,191 EUR
MOH London€1,282 EUR

44 data points across 13 retailers

14 retailers€259 EUR to €1,282 EUR

A
Cheapest Retailer
-
€259 EUR
A
Retailer 2
-
€289 EUR
View
Final sale: no returns
A
Retailer 3
-
€300 EUR
View
Retailer 4
-
€321 EUR
View
Price last confirmed 13 days ago
A
Retailer 5
-
€321 EUR
View
B+
Retailer 6
-
€461 EUR
View
B+
Retailer 7
-
€527 EUR
View
B+
Retailer 8
-
€554 EUR
View
B+
Retailer 9
-
€562 EUR
View
B
Retailer 10
-
€734 EUR
View
B
Retailer 11
-
€985 EUR
View
B
Retailer 12
-
€1,031 EUR
View
B
Retailer 13
-
€1,191 EUR
View
Most Expensive
B
MOH London
LG522254245 · Nov 5
€1,282 EUR
£1,127 GBP
View
13 more retailers have this diamond
Prices start from €259 EURSave up to €1,023 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
€259 EUR