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Heart|Lab Grown|IGI

1.38ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG840634314

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840634314

Diamond specifications and retailer prices

From £200 GBP
$268 USD
As of October 30, 2026
Save £1,449 GBP (88%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,649 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 LG840634314 or 840634314. Listed at 20 retailers as of October 30, 2026, with prices from £200 to £1,649, a £1,449 spread on the same certified stone. Brilliant Earth lists it at £1,649. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634314
Dimensions6.58 × 7.67 × 4.51 mm
L/W Ratio1.17
Girdle conditionFaceted
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
6.58 mm7.67 mm1.38 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634314
Side View
Table 54.0%Crown 38°Girdle: MED-STKPavilion 37.9°Culet: NoneDepth 58.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £1,649 GBP|Low: £200 GBP|High: £1,649 GBP|Avg: £589 GBP
Brilliant Earth
Retailer 2
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Retailer 20
October 30, 2026
Retailer 10£200 GBP
Retailer 6£224 GBP
Retailer 16£231 GBP
Retailer 3£248 GBP
Retailer 7£248 GBP
Retailer 9£263 GBP
Retailer 19£366 GBP
Retailer 4£411 GBP
Retailer 14£425 GBP
Retailer 5£440 GBP
Retailer 2£475 GBP
Retailer 13£603 GBP
Retailer 20£745 GBP
Retailer 18£761 GBP
Retailer 17£796 GBP
Retailer 12£834 GBP
Retailer 8£837 GBP
Retailer 11£927 GBP
Retailer 15£993 GBP
Brilliant Earth£1,649 GBP

15 data points across 20 retailers

20 retailers£200 GBP to £1,649 GBP

A
Cheapest Retailer
-
£200 GBP
$268 USD
A
Retailer 2
-
£224 GBP
$300 USD
View
Final sale: no returns
A
Retailer 3
-
£231 GBP
$310 USD
View
A
Retailer 4
-
£248 GBP
$332 USD
View
A
Retailer 5
-
£248 GBP
$332 USD
View
Retailer 6
-
£263 GBP
View
Price last confirmed 13 days ago
A
Retailer 7
-
£366 GBP
$490 USD
View
A
Retailer 8
-
£411 GBP
$551 USD
View
A
Retailer 9
-
£425 GBP
ZAR 9,210 ZAR
View
A
Retailer 10
-
£440 GBP
$589 USD
View
A
Retailer 11
-
£475 GBP
View
A
Retailer 12
-
£603 GBP
A$1,242 AUD
View
B+
Retailer 13
-
£745 GBP
$998 USD
View
B+
Retailer 14
-
£761 GBP
$1,019 USD
View
B+
Retailer 15
-
£796 GBP
$1,067 USD
View
B+
Retailer 16
-
£834 GBP
$1,118 USD
View
B+
Retailer 17
-
£837 GBP
SGD 1,516 SGD
View
B+
Retailer 18
-
£927 GBP
$1,242 USD
View
B+
Retailer 19
-
£993 GBP
View
Most Expensive
B
Brilliant Earth
22143105A · Oct 30
£1,649 GBP
$2,210 USD
View
19 more retailers have this diamond
Prices start from £200 GBPSave up to £1,449 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
1.38ct Heart
£200 GBP