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Heart|Lab Grown|IGI

1.50ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG726564838

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG726564838

Diamond specifications and retailer prices

From £209 GBP
$280 USD
As of October 30, 2026
Save £2,343 GBP (92%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,552 GBP at Brilliant Earth · As of October 28, 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), with a top-tier cut grade and certified by IGI LG726564838 or 726564838. Listed at 14 retailers as of October 28, 2026, with prices from £209 to £2,552, a £2,343 spread on the same certified stone. Brilliant Earth lists it at £2,552. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG726564838
Dimensions6.99 × 7.88 × 4.57 mm
L/W Ratio1.13
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
6.99 mm7.88 mm1.50 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG726564838
Side View
Table 57.0%Crown 36°Girdle: STK-THKPavilion 38.2°Culet: NoneDepth 58.0%

Caratlytics Score

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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: £2,552 GBP|Low: £190 GBP|High: £2,635 GBP|Avg: £893 GBP|-3.1%
Brilliant Earth
Retailer 2
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Retailer 7
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Retailer 11
Retailer 12
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Retailer 17
October 28, 2026
Retailer 16£236 GBP
Retailer 13£325 GBP
Retailer 10£351 GBP
Retailer 12£351 GBP
Retailer 15£453 GBP
Retailer 5£502 GBP
Retailer 6£564 GBP
Retailer 7£608 GBP
Retailer 2£666 GBP
Retailer 14£739 GBP
Retailer 4£919 GBP
Retailer 8£966 GBP
Retailer 3£1,011 GBP
Retailer 11£1,147 GBP
Retailer 9£1,184 GBP
Retailer 17£1,851 GBP
Brilliant Earth£2,552 GBP

29 data points across 17 retailers

14 retailers£209 GBP to £2,552 GBP

A
Cheapest Retailer
-
£209 GBP
$280 USD
A
Retailer 2
-
£236 GBP
$316 USD
View
Final sale: no returns
A
Retailer 3
-
£243 GBP
$325 USD
View
A
Retailer 4
-
£325 GBP
$435 USD
View
A
Retailer 5
-
£351 GBP
$470 USD
View
A
Retailer 6
-
£351 GBP
$470 USD
View
A
Retailer 7
-
£453 GBP
$607 USD
View
A
Retailer 8
-
£666 GBP
A$1,373 AUD
View
A
Retailer 9
-
£739 GBP
$990 USD
View
B+
Retailer 10
-
£919 GBP
$1,231 USD
View
B+
Retailer 11
-
£1,011 GBP
$1,354 USD
View
B+
Retailer 12
-
£1,147 GBP
View
B
Retailer 13
-
£1,851 GBP
$2,480 USD
View
Most Expensive
B
Brilliant Earth
21405909Y · Oct 28
£2,552 GBP
$3,420 USD
View
13 more retailers have this diamond
Prices start from £209 GBPSave up to £2,343 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
1.50ct Heart
£209 GBP