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Heart|Lab Grown|IGI

1.50ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG743578833

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG743578833

Diamond specifications and retailer prices

From €329 EUR
$368 USD
As of October 30, 2026
Save €1,415 EUR (81%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €1,745 EUR at With Clarity · As of October 30, 2026
View at With Clarity

About this 1.5ct lab-grown heart diamond

This 1.5ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG743578833 or 743578833. Listed at 21 retailers as of October 30, 2026, with prices from €329 to €1,745, a €1,415 spread on the same certified stone. With Clarity lists it at €1,745. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743578833
Dimensions7.94 × 7.94 × 7.43 mm
L/W Ratio1.00
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
7.94 mm7.94 mm1.50 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743578833
Side View
Table 59.0%Crown 32.4°Girdle: MED-THKPavilion 39.4°Culet: NoneDepth 55.8%

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 30
Current: €421 EUR|Low: €316 EUR|High: €1,613 EUR|Avg: €761 EUR|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 13€329 EUR
Retailer 5€381 EUR
Retailer 2€408 EUR
Retailer 1€421 EUR
Retailer 11€542 EUR
Retailer 4€548 EUR
Retailer 7€660 EUR
Retailer 10€701 EUR
Retailer 6€736 EUR
Retailer 8€947 EUR
Retailer 12€1,197 EUR
Retailer 3€1,421 EUR
Retailer 9€1,603 EUR

34 data points across 13 retailers

21 retailers€329 EUR to €1,745 EUR

A
Cheapest Retailer
-
€329 EUR
$368 USD
A
Retailer 2
-
€369 EUR
$412 USD
View
Final sale: no returns
A
Retailer 3
-
€381 EUR
$426 USD
View
A
Retailer 4
-
€408 EUR
$456 USD
View
A
Retailer 5
-
€408 EUR
$456 USD
View
A
Retailer 6
-
€421 EUR
£371 GBP
View
A
Retailer 7
-
€542 EUR
$605 USD
View
A
Retailer 8
-
€548 EUR
$612 USD
View
A
Retailer 9
-
€635 EUR
$709 USD
View
A
Retailer 10
-
€660 EUR
View
A
Retailer 11
-
€701 EUR
ZAR 12,652 ZAR
View
A
Retailer 12
-
€736 EUR
£648 GBP
View
A
Retailer 13
-
€919 EUR
$1,027 USD
View
A
Retailer 14
-
€947 EUR
A$1,627 AUD
View
B+
Retailer 15
-
€1,197 EUR
$1,337 USD
View
B+
Retailer 16
-
€1,311 EUR
$1,465 USD
View
B+
Retailer 17
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€1,347 EUR
$1,505 USD
View
B+
Retailer 18
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€1,421 EUR
$1,588 USD
View
B+
Retailer 19
-
€1,540 EUR
$1,721 USD
View
B+
Retailer 20
-
€1,603 EUR
£1,410 GBP
View
Most Expensive
B
With Clarity
743578833 · Oct 30
€1,745 EUR
$1,949 USD
View
20 more retailers have this diamond
Prices start from €329 EURSave up to €1,415 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
1.50ct Heart
€329 EUR