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Heart|Lab Grown|IGI

1.51ct F IF Heart Lab Grown Diamond

EX • F/IF • IGI LG720538914

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG720538914

Diamond specifications and retailer prices

From $660 USD
As of November 6, 2026
Save $1,254 USD (66%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,914 USD at MOH London · As of November 5, 2026
View at MOH London

About this 1.51ct lab-grown heart diamond

This 1.51ct 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 LG720538914 or 720538914. Listed at 7 retailers as of November 5, 2026, with prices from $660 to $1,914, a $1,254 spread on the same certified stone. MOH London lists it at $1,914. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.9°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720538914
Dimensions6.89 × 7.93 × 4.55 mm
L/W Ratio1.15
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
6.89 mm7.93 mm1.51 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720538914
Side View
Table 60.0%Crown 38.9°Girdle: MED-STKPavilion 37.5°Culet: NoneDepth 57.4%

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 6
Current: $1,914 USD|Low: $628 USD|High: $1,914 USD|Avg: $1,210 USD|+4.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 2$660 USD
Retailer 3$798 USD
Retailer 7$805 USD
Retailer 4$1,038 USD
Retailer 6$1,615 USD
Retailer 5$1,839 USD
MOH London$1,914 USD

43 data points across 7 retailers

7 retailers$660 USD to $1,914 USD

A
Cheapest Retailer
-
$660 USD
A
Retailer 2
-
$798 USD
View
A
Retailer 3
-
$805 USD
View
B+
Retailer 4
-
$1,038 USD
View
B
Retailer 5
-
$1,615 USD
View
B
Retailer 6
-
$1,839 USD
View
Most Expensive
B
MOH London
LG720538914 · Nov 5
$1,914 USD
£1,507 GBP
View
6 more retailers have this diamond
Prices start from $660 USDSave up to $1,254 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
1.51ct Heart
$660 USD