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Heart|Lab Grown|IGI

1.53ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG787612682

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG787612682

Diamond specifications and retailer prices

From £305 GBP
$409 USD
As of October 30, 2026
Save £1,112 GBP (78%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £2,627 GBP at Brilliant Earth · As of October 8, 2026
View at Brilliant Earth

About this 1.53ct lab-grown heart diamond

This 1.53ct 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 LG787612682 or 787612682. Listed at 18 retailers as of October 30, 2026, with a 364% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787612682
Dimensions7.19 × 8.00 × 4.61 mm
L/W Ratio1.11
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
7.19 mm8.00 mm1.53 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787612682
Side View
Table 58.0%Crown 36.6°Girdle: MED-STKPavilion 38.5°Culet: NoneDepth 57.6%

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: £2,627 GBP|Low: £243 GBP|High: £2,627 GBP|Avg: £795 GBP
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 30, 2026
Retailer 15£305 GBP
Retailer 5£342 GBP
Retailer 7£342 GBP
Retailer 6£378 GBP
Retailer 16£378 GBP
Retailer 11£489 GBP
Retailer 12£508 GBP
Retailer 2£623 GBP
Retailer 10£651 GBP
Retailer 8£805 GBP
Retailer 9£881 GBP
Retailer 14£882 GBP
Retailer 4£1,217 GBP
Retailer 3£1,417 GBP
Retailer 13£1,487 GBP
Brilliant Earth£2,627 GBP

43 data points across 16 retailers

18 retailers£305 GBP to £1,417 GBP

A
Cheapest Retailer
-
£305 GBP
$409 USD
A
Retailer 2
-
£342 GBP
$458 USD
View
Final sale: no returns
A
Retailer 3
-
£342 GBP
$458 USD
View
A
Retailer 4
-
£378 GBP
$507 USD
View
A
Retailer 5
-
£378 GBP
$507 USD
View
A
Retailer 6
-
£489 GBP
$655 USD
View
A
Retailer 7
-
£508 GBP
$680 USD
View
A
Retailer 8
-
£623 GBP
View
A
Retailer 9
-
£651 GBP
ZAR 14,082 ZAR
View
A
Retailer 10
-
£805 GBP
$1,078 USD
View
B+
Retailer 11
-
£881 GBP
A$1,817 AUD
View
B+
Retailer 12
-
£882 GBP
$1,182 USD
View
B+
Retailer 13
-
£1,217 GBP
$1,631 USD
View
B+
Retailer 14
-
£1,243 GBP
$1,666 USD
View
B+
Retailer 15
-
£1,389 GBP
$1,861 USD
View
B+
Retailer 16
-
£1,417 GBP
$1,899 USD
View
Retailer 17
-
£1,487 GBP
View
Price last confirmed 9 days ago
Most Expensive
Brilliant Earth
21385063A · Oct 8
£2,627 GBP
$3,520 USD
View
Price last confirmed 22 days ago
17 more retailers have this diamond
Prices start from £305 GBPSave up to £1,112 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
1.53ct Heart
£305 GBP