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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 €591 EUR
As of November 6, 2026
Save €1,123 EUR (66%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €1,714 EUR 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 €591 to €1,714, a €1,123 spread on the same certified stone. MOH London lists it at €1,714. 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
Colour
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: €1,714 EUR|Low: €562 EUR|High: €1,714 EUR|Avg: €1,085 EUR|+4.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 7, 2026
Retailer 3€591 EUR
Retailer 2€717 EUR
Retailer 7€721 EUR
Retailer 4€930 EUR
Retailer 6€1,446 EUR
Retailer 5€1,647 EUR
MOH London€1,714 EUR

44 data points across 7 retailers

7 retailers€591 EUR to €1,714 EUR

A
Cheapest Retailer
-
€591 EUR
A
Retailer 2
-
€717 EUR
View
A
Retailer 3
-
€721 EUR
View
B+
Retailer 4
-
€930 EUR
View
B
Retailer 5
-
€1,446 EUR
View
B
Retailer 6
-
€1,647 EUR
View
Most Expensive
B
MOH London
LG720538914 · Nov 5
€1,714 EUR
£1,507 GBP
View
6 more retailers have this diamond
Prices start from €591 EURSave up to €1,123 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
€591 EUR