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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 £216 GBP
As of November 6, 2026
Save £853 GBP (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,069 GBP 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 £216 to £1,069, a £853 spread on the same certified stone. MOH London lists it at £1,069. 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

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £1,069 GBP|Low: £207 GBP|High: £1,240 GBP|Avg: £528 GBP|+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 6, 2026
Retailer 9£216 GBP
Retailer 5£241 GBP
Retailer 13£250 GBP
Retailer 3£267 GBP
Retailer 10£267 GBP
Retailer 7£385 GBP
Retailer 12£439 GBP
Retailer 4£462 GBP
Retailer 2£467 GBP
Retailer 8£822 GBP
Retailer 11£860 GBP
Retailer 6£994 GBP
MOH London£1,069 GBP

43 data points across 13 retailers

14 retailers£216 GBP to £1,069 GBP

A
Cheapest Retailer
-
£216 GBP
A
Retailer 2
-
£241 GBP
View
Final sale: no returns
A
Retailer 3
-
£250 GBP
View
Retailer 4
-
£267 GBP
View
Price last confirmed 13 days ago
A
Retailer 5
-
£267 GBP
View
B+
Retailer 6
-
£385 GBP
View
B+
Retailer 7
-
£439 GBP
View
B+
Retailer 8
-
£462 GBP
View
B+
Retailer 9
-
£467 GBP
View
B
Retailer 10
-
£612 GBP
View
B
Retailer 11
-
£822 GBP
View
B
Retailer 12
-
£860 GBP
View
B
Retailer 13
-
£994 GBP
View
Most Expensive
B
MOH London
LG522254245 · Nov 5
£1,069 GBP
View
13 more retailers have this diamond
Prices start from £216 GBPSave up to £853 GBP

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
£216 GBP