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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 $644 USD
As of October 27, 2026
Save $2,521 USD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,165 USD 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 $644 to $3,165, a $2,521 spread on the same certified stone. MOH London lists it at $3,165. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $3,165 USD|Low: $644 USD|High: $3,244 USD|Avg: $1,659 USD|-0.7%
MOH London
Retailer 2
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Retailer 11
Retailer 12
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Retailer 18
October 29, 2026
Retailer 5$644 USD
Retailer 16$701 USD
Retailer 7$747 USD
Retailer 8$747 USD
Retailer 12$827 USD
Retailer 15$925 USD
Retailer 3$994 USD
Retailer 2$1,190 USD
Retailer 4$1,206 USD
Retailer 6$1,219 USD
Retailer 11$1,373 USD
Retailer 17$1,909 USD
Retailer 9$2,101 USD
Retailer 18$2,456 USD
Retailer 10$2,579 USD
Retailer 14$2,978 USD
Retailer 13$3,163 USD
MOH London$3,165 USD

22 data points across 18 retailers

18 retailers$644 USD to $3,165 USD

A
Cheapest Retailer
-
$644 USD
A
Retailer 2
-
$701 USD
View
A
Retailer 3
-
$747 USD
View
Retailer 4
-
$747 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$827 USD
View
Final sale: no returns
A
Retailer 6
-
$925 USD
View
A
Retailer 7
-
$994 USD
View
A
Retailer 8
-
$1,190 USD
£937 GBP
View
B+
Retailer 9
-
$1,206 USD
View
B+
Retailer 10
-
$1,219 USD
View
B+
Retailer 11
-
$1,373 USD
ZAR 22,180 ZAR
View
B
Retailer 12
-
$1,909 USD
View
B
Retailer 13
-
$2,101 USD
View
B+
Retailer 14
-
$2,456 USD
View
B
Retailer 15
-
$2,579 USD
View
B
Retailer 16
-
$2,978 USD
SGD 4,024 SGD
View
B
Retailer 17
-
$3,163 USD
View
Most Expensive
B
MOH London
LG836614458 · Oct 29
$3,165 USD
£2,492 GBP
View
17 more retailers have this diamond
Prices start from $644 USDSave up to $2,521 USD

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
$644 USD