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Heart|Lab Grown|IGI

1.57ct E FL Heart Lab Grown Diamond

ID • E/FL • IGI LG836614458

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836614458

Diamond specifications and retailer prices

From £484 GBP
$644 USD
As of October 27, 2026
Save £1,893 GBP (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £2,377 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.57ct lab-grown heart diamond

This 1.57ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836614458 or 836614458. Listed at 18 retailers as of October 27, 2026, with prices from £484 to £2,377, a £1,893 spread on the same certified stone. MOH London lists it at £2,377. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836614458
Dimensions6.94 × 7.97 × 4.74 mm
L/W Ratio1.15
Girdle conditionFaceted
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
6.94 mm7.97 mm1.57 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836614458
Side View
Table 62.0%Crown 39.6°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 59.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: £2,377 GBP|Low: £484 GBP|High: £2,436 GBP|Avg: £1,246 GBP|-0.7%
MOH London
Retailer 2
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Retailer 18
October 29, 2026
Retailer 5£484 GBP
Retailer 16£526 GBP
Retailer 7£561 GBP
Retailer 8£561 GBP
Retailer 12£621 GBP
Retailer 15£695 GBP
Retailer 3£746 GBP
Retailer 2£894 GBP
Retailer 4£906 GBP
Retailer 6£915 GBP
Retailer 11£1,031 GBP
Retailer 17£1,434 GBP
Retailer 9£1,578 GBP
Retailer 18£1,844 GBP
Retailer 10£1,936 GBP
Retailer 14£2,236 GBP
Retailer 13£2,375 GBP
MOH London£2,377 GBP

22 data points across 18 retailers

18 retailers£484 GBP to £2,377 GBP

A
Cheapest Retailer
-
£484 GBP
$644 USD
A
Retailer 2
-
£526 GBP
$701 USD
View
A
Retailer 3
-
£561 GBP
$747 USD
View
A
Retailer 4
-
£561 GBP
$747 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
£621 GBP
$827 USD
View
Final sale: no returns
A
Retailer 6
-
£695 GBP
$925 USD
View
A
Retailer 7
-
£746 GBP
$994 USD
View
A
Retailer 8
-
£894 GBP
View
B+
Retailer 9
-
£906 GBP
$1,206 USD
View
B+
Retailer 10
-
£915 GBP
$1,219 USD
View
B+
Retailer 11
-
£1,031 GBP
ZAR 22,180 ZAR
View
B
Retailer 12
-
£1,434 GBP
$1,909 USD
View
B
Retailer 13
-
£1,578 GBP
$2,101 USD
View
B+
Retailer 14
-
£1,844 GBP
$2,456 USD
View
B
Retailer 15
-
£1,936 GBP
$2,579 USD
View
B
Retailer 16
-
£2,236 GBP
SGD 4,024 SGD
View
B
Retailer 17
-
£2,375 GBP
$3,163 USD
View
Most Expensive
B
MOH London
LG836614458 · Oct 29
£2,377 GBP
View
17 more retailers have this diamond
Prices start from £484 GBPSave up to £1,893 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
1.57ct Heart
£484 GBP