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Heart|Lab Grown|IGI

1.57ct E FL Heart Lab Grown Diamond

ID • E/FL • IGI LG840619814

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840619814

Diamond specifications and retailer prices

From £573 GBP
$763 USD
As of October 27, 2026
Save £1,930 GBP (77%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £2,503 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 LG840619814 or 840619814. Listed at 19 retailers as of October 27, 2026, with prices from £573 to £2,503, a £1,930 spread on the same certified stone. MOH London lists it at £2,503. 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 angle34.4°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840619814
Dimensions6.99 × 8.16 × 4.69 mm
L/W Ratio1.17
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
6.99 mm8.16 mm1.57 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840619814
Side View
Table 61.0%Crown 34.4°Girdle: MED-STKPavilion 38.3°Culet: NoneDepth 57.5%

Caratlytics Score

How it works →
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 27
Current: £2,503 GBP|Low: £573 GBP|High: £2,517 GBP|Avg: £1,322 GBP|-0.5%
MOH London
Retailer 2
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Retailer 19
October 29, 2026
Retailer 19£573 GBP
Retailer 15£623 GBP
Retailer 7£641 GBP
Retailer 6£665 GBP
Retailer 17£665 GBP
Retailer 18£735 GBP
Retailer 14£796 GBP
Retailer 9£844 GBP
Retailer 16£936 GBP
Retailer 10£952 GBP
Retailer 2£1,015 GBP
Retailer 12£1,221 GBP
Retailer 4£1,580 GBP
Retailer 3£1,868 GBP
Retailer 13£2,140 GBP
Retailer 11£2,236 GBP
Retailer 5£2,244 GBP
Retailer 8£2,293 GBP
MOH London£2,503 GBP

16 data points across 19 retailers

19 retailers£573 GBP to £2,503 GBP

A
Cheapest Retailer
-
£573 GBP
$763 USD
A
Retailer 2
-
£623 GBP
$830 USD
View
A
Retailer 3
-
£641 GBP
$854 USD
View
Final sale: no returns
A
Retailer 4
-
£665 GBP
$885 USD
View
A
Retailer 5
-
£665 GBP
$885 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
£735 GBP
View
Price last confirmed 12 days ago
A
Retailer 7
-
£796 GBP
$1,060 USD
View
A
Retailer 8
-
£844 GBP
$1,124 USD
View
B+
Retailer 9
-
£936 GBP
$1,247 USD
View
B+
Retailer 10
-
£952 GBP
$1,268 USD
View
B+
Retailer 11
-
£1,015 GBP
View
B+
Retailer 12
-
£1,221 GBP
ZAR 26,269 ZAR
View
B
Retailer 13
-
£1,580 GBP
$2,104 USD
View
B
Retailer 14
-
£1,868 GBP
$2,487 USD
View
B
Retailer 15
-
£2,140 GBP
$2,850 USD
View
B
Retailer 16
-
£2,236 GBP
SGD 4,024 SGD
View
B
Retailer 17
-
£2,244 GBP
$2,989 USD
View
B
Retailer 18
-
£2,293 GBP
$3,054 USD
View
Most Expensive
B
MOH London
LG840619814 · Oct 29
£2,503 GBP
View
18 more retailers have this diamond
Prices start from £573 GBPSave up to £1,930 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
£573 GBP