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Heart|Lab Grown|IGI

1.52ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG671421204

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG671421204

Diamond specifications and retailer prices

From £225 GBP
$299 USD
As of October 27, 2026
Save £2,396 GBP (91%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,621 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.52ct lab-grown heart diamond

This 1.52ct 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 LG671421204 or 671421204. Listed at 14 retailers as of October 27, 2026, with prices from £225 to £2,621, a £2,396 spread on the same certified stone. Brilliant Earth lists it at £2,621. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.52
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG671421204
Dimensions7.04 × 8.03 × 4.63 mm
L/W Ratio1.14
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
7.04 mm8.03 mm1.52 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG671421204
Side View
Table 56.0%Crown 35.2°Girdle: MED-THKPavilion 39.2°Culet: NoneDepth 57.7%

Caratlytics Score

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A+
Exceptional
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 27
Current: £2,621 GBP|Low: £192 GBP|High: £2,711 GBP|Avg: £783 GBP|-3.3%
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 28, 2026
Retailer 4£225 GBP
Retailer 11£261 GBP
Retailer 5£269 GBP
Retailer 13£389 GBP
Retailer 9£390 GBP
Retailer 12£473 GBP
Retailer 6£489 GBP
Retailer 7£516 GBP
Retailer 8£553 GBP
Retailer 2£647 GBP
Retailer 16£731 GBP
Retailer 14£894 GBP
Retailer 10£1,117 GBP
Retailer 15£1,143 GBP
Retailer 3£1,202 GBP
Brilliant Earth£2,621 GBP

32 data points across 16 retailers

14 retailers£225 GBP to £2,621 GBP

A+
Cheapest Retailer
-
£225 GBP
$299 USD
A
Retailer 2
-
£261 GBP
$347 USD
View
A
Retailer 3
-
£269 GBP
$358 USD
View
Final sale: no returns
A
Retailer 4
-
£389 GBP
$518 USD
View
A
Retailer 5
-
£390 GBP
$520 USD
View
A
Retailer 6
-
£473 GBP
$630 USD
View
A
Retailer 7
-
£647 GBP
A$1,325 AUD
View
A
Retailer 8
-
£731 GBP
$973 USD
View
A
Retailer 9
-
£894 GBP
$1,191 USD
View
B+
Retailer 10
-
£997 GBP
$1,328 USD
View
B+
Retailer 11
-
£1,117 GBP
View
B+
Retailer 12
-
£1,143 GBP
$1,522 USD
View
B+
Retailer 13
-
£1,202 GBP
$1,601 USD
View
Most Expensive
B
Brilliant Earth
14086826A · Oct 28
£2,621 GBP
$3,490 USD
View
13 more retailers have this diamond
Prices start from £225 GBPSave up to £2,396 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+
1.52ct Heart
£225 GBP