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Heart|Lab Grown|IGI

1.52ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG784608144

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG784608144

Diamond specifications and retailer prices

From £169 GBP
$225 USD
As of October 28, 2026
Save £740 GBP (81%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £909 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG784608144 or 784608144. Listed at 17 retailers as of October 28, 2026, with prices from £169 to £909, a £740 spread on the same certified stone. Brilliant Earth lists it at £909. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.52
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784608144
Dimensions7.97 × 7.77 × 4.44 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.97 mm7.77 mm1.52 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784608144
Side View
Table 61.0%Crown 28.9°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 57.1%

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 28
Current: £909 GBP|Low: £146 GBP|High: £931 GBP|Avg: £447 GBP|-2.4%
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
October 29, 2026
Retailer 12£152 GBP
Retailer 5£169 GBP
Retailer 3£188 GBP
Retailer 6£316 GBP
Retailer 8£327 GBP
Retailer 2£345 GBP
Retailer 9£346 GBP
Retailer 11£404 GBP
Retailer 4£438 GBP
Retailer 10£608 GBP
Retailer 13£627 GBP
Retailer 7£886 GBP
Brilliant Earth£909 GBP

40 data points across 13 retailers

17 retailers£169 GBP to £909 GBP

A
Retailer 1
-
£152 GBP
$202 USD
Price last confirmed 21 days ago
A
Retailer 2
-
£169 GBP
$225 USD
View
Final sale: no returns
A
Retailer 3
-
£176 GBP
$235 USD
View
Price last confirmed 30 days ago
A
Retailer 4
-
£188 GBP
$251 USD
View
Price last confirmed 26 days ago
A
Retailer 5
-
£188 GBP
$251 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
£316 GBP
€401 EUR
View
B+
Retailer 7
-
£327 GBP
$435 USD
View
B+
Retailer 8
-
£345 GBP
View
A
Retailer 9
-
£346 GBP
$461 USD
View
B+
Retailer 10
-
£404 GBP
A$828 AUD
View
B+
Retailer 11
-
£438 GBP
$583 USD
View
B
Retailer 12
-
£606 GBP
$807 USD
View
Price last confirmed 29 days ago
B
Retailer 13
-
£608 GBP
$810 USD
View
B
Retailer 14
-
£627 GBP
$835 USD
View
Price last confirmed 10 days ago
B
Retailer 15
-
£646 GBP
$860 USD
View
B
Retailer 16
-
£886 GBP
View
Most Expensive
B
Brilliant Earth
19823570A · Oct 28
£909 GBP
$1,210 USD
View
16 more retailers have this diamond
Prices start from £169 GBPSave up to £740 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
£169 GBP