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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 $368 USD
As of October 30, 2026
Save $1,581 USD (81%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,949 USD 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 $368 to $1,949, a $1,581 spread on the same certified stone. With Clarity lists it at $1,949. 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
Color
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: $471 USD|Low: $353 USD|High: $1,802 USD|Avg: $850 USD|-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$368 USD
Retailer 5$426 USD
Retailer 2$456 USD
Retailer 1$471 USD
Retailer 11$605 USD
Retailer 4$612 USD
Retailer 7$737 USD
Retailer 10$783 USD
Retailer 6$823 USD
Retailer 8$1,058 USD
Retailer 12$1,337 USD
Retailer 3$1,588 USD
Retailer 9$1,791 USD

34 data points across 13 retailers

21 retailers$368 USD to $1,949 USD

A
Cheapest Retailer
-
$368 USD
A
Retailer 2
-
$412 USD
View
Final sale: no returns
A
Retailer 3
-
$426 USD
View
A
Retailer 4
-
$456 USD
View
A
Retailer 5
-
$456 USD
View
A
Retailer 6
-
$471 USD
£371 GBP
View
A
Retailer 7
-
$605 USD
View
A
Retailer 8
-
$612 USD
View
A
Retailer 9
-
$709 USD
View
A
Retailer 10
-
$737 USD
€702 EUR
View
A
Retailer 11
-
$783 USD
ZAR 12,652 ZAR
View
A
Retailer 12
-
$823 USD
£648 GBP
View
A
Retailer 13
-
$1,027 USD
View
A
Retailer 14
-
$1,058 USD
A$1,627 AUD
View
B+
Retailer 15
-
$1,337 USD
View
B+
Retailer 16
-
$1,465 USD
View
B+
Retailer 17
-
$1,505 USD
View
B+
Retailer 18
-
$1,588 USD
View
B+
Retailer 19
-
$1,721 USD
View
B+
Retailer 20
-
$1,791 USD
£1,410 GBP
View
Most Expensive
B
With Clarity
743578833 · Oct 30
$1,949 USD
View
20 more retailers have this diamond
Prices start from $368 USDSave up to $1,581 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
1.50ct Heart
$368 USD