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 $1,086 AUD
$763 USD
As of October 30, 2026
Save $3,660 AUD (77%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,746 AUD 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 29, 2026, with prices from $1,086 to $4,746, a $3,660 spread on the same certified stone. MOH London lists it at $4,746. 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 30
Current: $4,746 AUD|Low: $1,086 AUD|High: $4,771 AUD|Avg: $2,500 AUD|-0.5%
MOH London
Retailer 2
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Retailer 4
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Retailer 6
Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 17
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Retailer 19
October 31, 2026
Retailer 19$1,086 AUD
Retailer 15$1,182 AUD
Retailer 7$1,216 AUD
Retailer 6$1,260 AUD
Retailer 17$1,260 AUD
Retailer 18$1,393 AUD
Retailer 14$1,509 AUD
Retailer 9$1,600 AUD
Retailer 16$1,775 AUD
Retailer 10$1,805 AUD
Retailer 2$1,930 AUD
Retailer 12$2,315 AUD
Retailer 4$2,995 AUD
Retailer 3$3,540 AUD
Retailer 13$4,057 AUD
Retailer 11$4,239 AUD
Retailer 5$4,255 AUD
Retailer 8$4,347 AUD
MOH London$4,746 AUD

18 data points across 19 retailers

19 retailers$1,086 AUD to $4,746 AUD

A
Cheapest Retailer
-
$1,086 AUD
$763 USD
A
Retailer 2
-
$1,182 AUD
$830 USD
View
A
Retailer 3
-
$1,216 AUD
$854 USD
View
Final sale: no returns
A
Retailer 4
-
$1,260 AUD
$885 USD
View
Retailer 5
-
$1,260 AUD
$885 USD
View
Price last confirmed 14 days ago
Retailer 6
-
$1,393 AUD
£771 GBP
View
Price last confirmed 14 days ago
A
Retailer 7
-
$1,509 AUD
$1,060 USD
View
A
Retailer 8
-
$1,600 AUD
$1,124 USD
View
B+
Retailer 9
-
$1,775 AUD
$1,247 USD
View
B+
Retailer 10
-
$1,805 AUD
$1,268 USD
View
B+
Retailer 11
-
$1,930 AUD
£1,067 GBP
View
B+
Retailer 12
-
$2,315 AUD
ZAR 26,269 ZAR
View
B
Retailer 13
-
$2,995 AUD
$2,104 USD
View
B
Retailer 14
-
$3,540 AUD
$2,487 USD
View
B
Retailer 15
-
$4,057 AUD
$2,850 USD
View
B
Retailer 16
-
$4,239 AUD
SGD 4,024 SGD
View
B
Retailer 17
-
$4,255 AUD
$2,989 USD
View
B
Retailer 18
-
$4,347 AUD
$3,054 USD
View
Most Expensive
B
MOH London
LG840619814 · Oct 29
$4,746 AUD
£2,625 GBP
View
18 more retailers have this diamond
Prices start from $1,086 AUDSave up to $3,660 AUD

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
$1,086 AUD