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Heart|Lab Grown|IGI

1.38ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG679514401

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG679514401

Diamond specifications and retailer prices

From £372 GBP
$498 USD
As of October 30, 2026
1 retailer carries this diamond
Only listing: £372 GBP at Loose Grown Diamond
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Loose Grown Diamond

About this 1.38ct lab-grown heart diamond

This 1.38ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG679514401 or 679514401. Listed at a single retailer as of October 30, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.38
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG679514401
Dimensions6.75 × 7.73 × 4.57 mm
L/W Ratio1.15
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
6.75 mm7.73 mm1.38 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG679514401
Side View
Table 59.0%Crown 35.4°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 59.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £372 GBP|Low: £334 GBP|High: £1,520 GBP|Avg: £728 GBP|-22.2%
Loose Grown Diamond
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
August 26, 2026
Loose Grown Diamond£372 GBP
Retailer 5£399 GBP
Retailer 2£514 GBP
Retailer 4£762 GBP
Retailer 6£949 GBP
Retailer 3£1,173 GBP

52 data points across 6 retailers

1 retailer

A
Loose Grown Diamond
679514401 · Oct 30
£372 GBP
$498 USD
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A
1.38ct Heart
£372 GBP