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Heart|Lab Grown|IGI

1.50ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG800632247

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG800632247

Diamond specifications and retailer prices

From £333 GBP
As of November 6, 2026
Save £441 GBP (57%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £774 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG800632247 or 800632247. Listed at 5 retailers as of November 5, 2026, with prices from £333 to £774, a £441 spread on the same certified stone. MOH London lists it at £774. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800632247
Dimensions7.62 × 7.02 × 4.62 mm
L/W Ratio1.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.62 mm7.02 mm1.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800632247
Side View
Table 57.0%Crown 36.2°Girdle: THK-VTKPavilion 38.7°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £774 GBP|Low: £333 GBP|High: £781 GBP|Avg: £487 GBP|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 5£333 GBP
Retailer 3£338 GBP
Retailer 2£354 GBP
Retailer 4£663 GBP
MOH London£774 GBP

24 data points across 5 retailers

5 retailers£333 GBP to £774 GBP

B+
Cheapest Retailer
-
£333 GBP
B+
Retailer 2
-
£338 GBP
View
B+
Retailer 3
-
£354 GBP
View
B
Retailer 4
-
£663 GBP
View
Most Expensive
B
MOH London
LG800632247 · Nov 5
£774 GBP
View
4 more retailers have this diamond
Prices start from £333 GBPSave up to £441 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.

B+
1.50ct Heart
£333 GBP