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Heart|Lab Grown|IGI

1.04ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG739542547

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG739542547

Diamond specifications and retailer prices

From £364 GBP
$488 USD
As of October 30, 2026
Save £503 GBP (58%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £867 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.04ct lab-grown heart diamond

This 1.04ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG739542547 or 739542547. Listed at 8 retailers as of October 29, 2026, with prices from £364 to £867, a £503 spread on the same certified stone. MOH London lists it at £867. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.04
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739542547
Dimensions6.03 × 7.00 × 4.12 mm
L/W Ratio1.16
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
6.03 mm7.00 mm1.04 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739542547
Side View
Table 61.0%Crown 38.1°Girdle: MED-THKPavilion 37.9°Culet: NoneDepth 58.9%

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 30
Current: £867 GBP|Low: £354 GBP|High: £895 GBP|Avg: £582 GBP|-3.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 6£364 GBP
Retailer 5£390 GBP
Retailer 2£406 GBP
Retailer 4£449 GBP
Retailer 8£731 GBP
Retailer 7£745 GBP
Retailer 3£790 GBP
MOH London£867 GBP

41 data points across 8 retailers

8 retailers£364 GBP to £867 GBP

A
Cheapest Retailer
-
£364 GBP
$488 USD
A
Retailer 2
-
£390 GBP
$522 USD
View
A
Retailer 3
-
£406 GBP
View
B+
Retailer 4
-
£449 GBP
$602 USD
View
B
Retailer 5
-
£731 GBP
$980 USD
View
B
Retailer 6
-
£745 GBP
$998 USD
View
B
Retailer 7
-
£790 GBP
A$1,628 AUD
View
Most Expensive
B
MOH London
LG739542547 · Oct 29
£867 GBP
View
7 more retailers have this diamond
Prices start from £364 GBPSave up to £503 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
1.04ct Heart
£364 GBP