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Heart|Lab Grown|IGI

1.53ct E SI2 Heart Lab Grown Diamond

ID • E/SI2 • IGI LG522241986

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG522241986

Diamond specifications and retailer prices

From £634 GBP
As of November 6, 2026
Save £1,287 GBP (67%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,921 GBP at MOH London · As of November 3, 2026
View at MOH London

About this 1.53ct lab-grown heart diamond

This 1.53ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG522241986 or 522241986. Listed at 7 retailers as of November 3, 2026, with prices from £634 to £1,921, a £1,287 spread on the same certified stone. MOH London lists it at £1,921. 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

1.53
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.9°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG522241986
Dimensions7.86 × 7.38 × 4.53 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizePointed
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
7.86 mm7.38 mm1.53 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG522241986
Side View
Table 54.5%Crown 38.9°Girdle: THN-STKPavilion 39.8°Culet: NoneDepth 57.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: £1,921 GBP|Low: £460 GBP|High: £1,944 GBP|Avg: £916 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6£460 GBP
Retailer 7£634 GBP
Retailer 2£698 GBP
Retailer 3£715 GBP
Retailer 4£758 GBP
Retailer 5£1,083 GBP
Retailer 8£1,195 GBP
MOH London£1,921 GBP

43 data points across 8 retailers

7 retailers£634 GBP to £1,921 GBP

Retailer 1
-
£460 GBP
Price last confirmed 21 days ago
B
Retailer 2
-
£634 GBP
View
B
Retailer 3
-
£698 GBP
View
B
Retailer 4
-
£715 GBP
View
B
Retailer 5
-
£758 GBP
View
B
Retailer 6
-
£1,083 GBP
View
Most Expensive
B
MOH London
LG522241986 · Nov 3
£1,921 GBP
View
6 more retailers have this diamond
Prices start from £634 GBPSave up to £1,287 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
1.53ct Heart
£634 GBP