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Heart|Lab Grown|IGI

1.50ct E IF Heart Lab Grown Diamond

E/IF • IGI LG762544539

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG762544539

Diamond specifications and retailer prices

From £1,134 GBP
A$2,338 AUD
As of October 29, 2026
9 retailers carry this diamond
Most expensive: £2,120 GBP at Brilliant Earth · As of October 12, 2026
View at Brilliant Earth

About this 1.5ct lab-grown heart diamond

This 1.5ct 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) and certified by IGI LG762544539 or 762544539. Listed at 9 retailers as of October 29, 2026. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
E
Colour
IF
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762544539
Dimensions6.75 × 8.00 × 4.80 mm
L/W Ratio1.19
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 mm8.00 mm1.50 ctE / IF
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762544539
Side View
Table 57.0%Crown 32.8°Girdle: STK-VTKPavilion 39.7°Culet: NoneDepth 60.0%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 29
Current: £2,120 GBP|Low: £435 GBP|High: £3,320 GBP|Avg: £1,252 GBP|-14.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 29, 2026
Retailer 5£449 GBP
Retailer 7£464 GBP
Retailer 12£485 GBP
Retailer 3£502 GBP
Retailer 10£588 GBP
Retailer 14£593 GBP
Retailer 9£614 GBP
Retailer 4£788 GBP
Retailer 2£1,134 GBP
Retailer 8£1,150 GBP
Retailer 15£1,177 GBP
Retailer 6£1,222 GBP
Retailer 11£1,356 GBP
Retailer 13£1,761 GBP
Retailer 16£1,849 GBP
Brilliant Earth£2,120 GBP

26 data points across 16 retailers

9 retailers

Retailer 1
-
£449 GBP
HK$4,700 HKD
Price last confirmed 18 days ago
Retailer 2
-
£588 GBP
ZAR 12,721 ZAR
View
Price last confirmed 21 days ago
Retailer 3
-
£788 GBP
$1,056 USD
View
Price last confirmed 22 days ago
B+
Retailer 4
-
£1,134 GBP
A$2,338 AUD
View
Retailer 5
-
£1,177 GBP
$1,577 USD
View
Price last confirmed 23 days ago
Retailer 6
-
£1,222 GBP
$1,638 USD
View
Price last confirmed 22 days ago
Retailer 7
-
£1,356 GBP
View
Price last confirmed 22 days ago
Retailer 8
-
£1,761 GBP
A$3,630 AUD
View
Price last confirmed 25 days ago
Most Expensive
Brilliant Earth
18938785Y · Oct 12
£2,120 GBP
$2,840 USD
View
Price last confirmed 18 days ago
8 more retailers have this diamond
Prices start from £1,134 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.

B+
1.50ct Heart
£1,134 GBP