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Heart|Lab Grown|IGI

1.58ct E SI2 Heart Lab Grown Diamond

ID • E/SI2 • IGI LG652421814

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG652421814

Diamond specifications and retailer prices

From £172 GBP
$229 USD
As of October 27, 2026
Save £686 GBP (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £858 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.58ct lab-grown heart diamond

This 1.58ct 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 LG652421814 or 652421814. Listed at 11 retailers as of October 27, 2026, with prices from £172 to £858, a £686 spread on the same certified stone. MOH London lists it at £858. 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

1.58
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG652421814
Dimensions8.27 × 7.30 × 4.47 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.27 mm7.30 mm1.58 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG652421814
Side View
Table 58.0%Crown 34.9°Girdle: MED-STKPavilion 34.7°Culet: NoneDepth 54.1%

Caratlytics Score

How it works →
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: Oct 27
Current: £858 GBP|Low: £172 GBP|High: £1,277 GBP|Avg: £484 GBP
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
Retailer 14
October 29, 2026
Retailer 3£172 GBP
Retailer 14£199 GBP
Retailer 7£213 GBP
Retailer 12£240 GBP
Retailer 8£274 GBP
Retailer 11£331 GBP
Retailer 13£362 GBP
Retailer 4£369 GBP
Retailer 2£400 GBP
Retailer 9£405 GBP
Retailer 10£685 GBP
Retailer 5£847 GBP
MOH London£858 GBP
Retailer 6£1,277 GBP

3 data points across 14 retailers

11 retailers£172 GBP to £858 GBP

A
Cheapest Retailer
-
£172 GBP
$229 USD
A
Retailer 2
-
£199 GBP
$265 USD
View
A
Retailer 3
-
£213 GBP
$284 USD
View
A
Retailer 4
-
£240 GBP
HK$2,500 HKD
View
A
Retailer 5
-
£274 GBP
View
B+
Retailer 6
-
£331 GBP
$441 USD
View
B+
Retailer 7
-
£362 GBP
$482 USD
View
B+
Retailer 8
-
£400 GBP
View
B+
Retailer 9
-
£405 GBP
$539 USD
View
B
Retailer 10
-
£685 GBP
$912 USD
View
Most Expensive
B
MOH London
LG652421814 · Oct 29
£858 GBP
View
10 more retailers have this diamond
Prices start from £172 GBPSave up to £686 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
1.58ct Heart
£172 GBP