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Heart|Lab Grown|IGI

0.45ct E SI2 Heart Lab Grown Diamond

ID • E/SI2 • IGI LG709518587

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG709518587

Diamond specifications and retailer prices

From £53 GBP
$71 USD
As of October 27, 2026
Save £434 GBP (89%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £487 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.45ct lab-grown heart diamond

This 0.45ct lab-grown heart sits in the sub-half-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG709518587 or 709518587. Listed at 8 retailers as of October 27, 2026, with prices from £53 to £487, a £434 spread on the same certified stone. MOH London lists it at £487. 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

0.45
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle31.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG709518587
Dimensions5.06 × 5.39 × 3.01 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.06 mm5.39 mm0.45 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG709518587
Side View
Table 55.0%Crown 31.4°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 55.8%

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: £487 GBP|Low: £51 GBP|High: £490 GBP|Avg: £211 GBP|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 5£53 GBP
Retailer 6£71 GBP
Retailer 4£139 GBP
Retailer 3£159 GBP
Retailer 8£177 GBP
Retailer 2£191 GBP
Retailer 7£212 GBP
Retailer 9£336 GBP
MOH London£487 GBP

23 data points across 9 retailers

8 retailers£53 GBP to £487 GBP

A
Cheapest Retailer
-
£53 GBP
$71 USD
A
Retailer 2
-
£62 GBP
$82 USD
View
A
Retailer 3
-
£71 GBP
$94 USD
View
B+
Retailer 4
-
£139 GBP
$185 USD
View
B+
Retailer 5
-
£159 GBP
View
B+
Retailer 6
-
£191 GBP
€242 EUR
View
B
Retailer 7
-
£212 GBP
$282 USD
View
Most Expensive
B
MOH London
LG709518587 · Oct 29
£487 GBP
View
7 more retailers have this diamond
Prices start from £53 GBPSave up to £434 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
0.45ct Heart
£53 GBP