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Heart|Lab Grown|IGI

1.48ct E FL Heart Lab Grown Diamond

ID • E/FL • IGI LG840635052

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840635052

Diamond specifications and retailer prices

From £359 GBP
$478 USD
As of October 28, 2026
Save £2,149 GBP (86%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,508 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.48ct lab-grown heart diamond

This 1.48ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840635052 or 840635052. Listed at 14 retailers as of October 28, 2026, with prices from £359 to £2,508, a £2,149 spread on the same certified stone. Brilliant Earth lists it at £2,508. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.48
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840635052
Dimensions7.00 × 7.62 × 4.65 mm
L/W Ratio1.09
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
7.00 mm7.62 mm1.48 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840635052
Side View
Table 54.0%Crown 34.6°Girdle: STK-THKPavilion 39°Culet: NoneDepth 61.0%

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 28
Current: £648 GBP|Low: £359 GBP|High: £1,558 GBP|Avg: £866 GBP|+0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 13£359 GBP
Retailer 10£381 GBP
Retailer 9£469 GBP
Retailer 3£570 GBP
Retailer 8£617 GBP
Retailer 6£647 GBP
Retailer 1£648 GBP
Retailer 11£880 GBP
Retailer 12£1,007 GBP
Retailer 2£1,182 GBP
Retailer 4£1,336 GBP
Retailer 7£1,410 GBP
Retailer 5£1,558 GBP

13 data points across 13 retailers

14 retailers£359 GBP to £2,508 GBP

A
Cheapest Retailer
-
£359 GBP
$478 USD
Final sale: no returns
A
Retailer 2
-
£381 GBP
View
A
Retailer 3
-
£469 GBP
$625 USD
View
A
Retailer 4
-
£570 GBP
$759 USD
View
A
Retailer 5
-
£617 GBP
ZAR 13,269 ZAR
View
A
Retailer 6
-
£647 GBP
€821 EUR
View
A
Retailer 7
-
£648 GBP
View
B+
Retailer 8
-
£880 GBP
$1,172 USD
View
B+
Retailer 9
-
£1,007 GBP
$1,341 USD
View
B+
Retailer 10
-
£1,182 GBP
$1,574 USD
View
B
Retailer 11
-
£1,336 GBP
SGD 2,405 SGD
View
B+
Retailer 12
-
£1,410 GBP
View
B
Retailer 13
-
£1,558 GBP
$2,075 USD
View
Most Expensive
B
Brilliant Earth
21861605A · Oct 28
£2,508 GBP
$3,340 USD
View
13 more retailers have this diamond
Prices start from £359 GBPSave up to £2,149 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
1.48ct Heart
£359 GBP