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Heart|Lab Grown|IGI

1.54ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG790658410

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG790658410

Diamond specifications and retailer prices

From £418 GBP
$560 USD
As of October 30, 2026
Save £835 GBP (67%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,253 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.54ct lab-grown heart diamond

This 1.54ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790658410 or 790658410. Listed at 6 retailers as of October 29, 2026, with prices from £418 to £1,253, a £835 spread on the same certified stone. MOH London lists it at £1,253. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790658410
Dimensions7.56 × 7.77 × 4.62 mm
L/W Ratio1.03
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
7.56 mm7.77 mm1.54 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790658410
Side View
Table 61.0%Crown 36°Girdle: MED-THKPavilion 40.6°Culet: NoneDepth 59.5%

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: £1,253 GBP|Low: £418 GBP|High: £1,261 GBP|Avg: £760 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 2£418 GBP
Retailer 3£557 GBP
Retailer 4£559 GBP
Retailer 5£794 GBP
Retailer 6£1,032 GBP
MOH London£1,253 GBP

39 data points across 6 retailers

6 retailers£418 GBP to £1,253 GBP

A
Cheapest Retailer
-
£418 GBP
$560 USD
A
Retailer 2
-
£557 GBP
View
A
Retailer 3
-
£559 GBP
$749 USD
View
A
Retailer 4
-
£794 GBP
$1,064 USD
View
B+
Retailer 5
-
£1,032 GBP
$1,383 USD
View
Most Expensive
B+
MOH London
LG790658410 · Oct 29
£1,253 GBP
View
5 more retailers have this diamond
Prices start from £418 GBPSave up to £835 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
1.54ct Heart
£418 GBP