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Heart|Lab Grown|IGI

1.56ct F IF Heart Lab Grown Diamond

EX • F/IF • IGI LG605380260

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG605380260

Diamond specifications and retailer prices

From $537 USD
As of November 1, 2026
Save $756 USD (58%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,293 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.56ct lab-grown heart diamond

This 1.56ct lab-grown heart sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG605380260 or 605380260. Listed at 6 retailers as of November 1, 2026, with prices from $537 to $1,293, a $756 spread on the same certified stone. MOH London lists it at $1,293. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
F
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605380260
Dimensions6.80 × 8.14 × 4.60 mm
L/W Ratio1.20
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
6.80 mm8.14 mm1.56 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605380260
Side View
Table 62.0%Crown 38.1°Girdle: STK-THKPavilion 37.3°Culet: NoneDepth 56.5%

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: Nov 1
Current: $1,293 USD|Low: $537 USD|High: $1,761 USD|Avg: $959 USD|-25.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 4$537 USD
Retailer 5$587 USD
Retailer 2$610 USD
Retailer 3$1,050 USD
Retailer 6$1,088 USD
MOH London$1,293 USD

43 data points across 6 retailers

6 retailers$537 USD to $1,293 USD

A
Cheapest Retailer
-
$537 USD
A
Retailer 2
-
$587 USD
View
A
Retailer 3
-
$610 USD
View
B+
Retailer 4
-
$1,050 USD
View
B+
Retailer 5
-
$1,088 USD
View
Most Expensive
B+
MOH London
LG605380260 · Nov 1
$1,293 USD
£1,018 GBP
View
5 more retailers have this diamond
Prices start from $537 USDSave up to $756 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
1.56ct Heart
$537 USD