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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 €560 EUR
$628 USD
As of November 1, 2026
Save €1,059 EUR (65%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €1,619 EUR at MOH London · As of October 29, 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 October 29, 2026, with prices from €560 to €1,619, a €1,059 spread on the same certified stone. MOH London lists it at €1,619. 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 1
Current: €1,619 EUR|Low: €560 EUR|High: €1,706 EUR|Avg: €1,069 EUR|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 7€560 EUR
Retailer 3€718 EUR
Retailer 4€753 EUR
Retailer 2€919 EUR
Retailer 5€1,373 EUR
Retailer 6€1,558 EUR
MOH London€1,619 EUR

43 data points across 7 retailers

7 retailers€560 EUR to €1,619 EUR

A
Cheapest Retailer
-
€560 EUR
$628 USD
A
Retailer 2
-
€718 EUR
ZAR 13,015 ZAR
View
A
Retailer 3
-
€753 EUR
£665 GBP
View
B+
Retailer 4
-
€919 EUR
$1,031 USD
View
B
Retailer 5
-
€1,373 EUR
$1,540 USD
View
B
Retailer 6
-
€1,558 EUR
$1,747 USD
View
Most Expensive
B
MOH London
LG720538914 · Oct 29
€1,619 EUR
£1,430 GBP
View
6 more retailers have this diamond
Prices start from €560 EURSave up to €1,059 EUR

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
€560 EUR