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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 $524 AUD
$368 USD
As of October 30, 2026
Save $2,251 AUD (81%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,775 AUD at With Clarity · As of October 31, 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 $524 to $2,775, a $2,251 spread on the same certified stone. With Clarity lists it at $2,775. 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
Dimensions7.43 × 7.94 × 4.43 mm
L/W Ratio1.07
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
7.43 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $670 AUD|Low: $503 AUD|High: $2,566 AUD|Avg: $1,211 AUD|-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$524 AUD
Retailer 5$606 AUD
Retailer 2$649 AUD
Retailer 1$670 AUD
Retailer 11$861 AUD
Retailer 4$871 AUD
Retailer 7$1,049 AUD
Retailer 10$1,115 AUD
Retailer 6$1,171 AUD
Retailer 8$1,506 AUD
Retailer 12$1,903 AUD
Retailer 3$2,261 AUD
Retailer 9$2,549 AUD

34 data points across 13 retailers

21 retailers$524 AUD to $2,775 AUD

A
Cheapest Retailer
-
$524 AUD
$368 USD
A
Retailer 2
-
$587 AUD
$412 USD
View
Final sale: no returns
A
Retailer 3
-
$606 AUD
$426 USD
View
A
Retailer 4
-
$649 AUD
$456 USD
View
A
Retailer 5
-
$649 AUD
$456 USD
View
A
Retailer 6
-
$670 AUD
£371 GBP
View
A
Retailer 7
-
$861 AUD
$605 USD
View
A
Retailer 8
-
$871 AUD
$612 USD
View
A
Retailer 9
-
$1,009 AUD
$709 USD
View
A
Retailer 10
-
$1,049 AUD
€702 EUR
View
A
Retailer 11
-
$1,115 AUD
ZAR 12,652 ZAR
View
A
Retailer 12
-
$1,171 AUD
£648 GBP
View
A
Retailer 13
-
$1,462 AUD
$1,027 USD
View
A
Retailer 14
-
$1,506 AUD
View
B+
Retailer 15
-
$1,903 AUD
$1,337 USD
View
B+
Retailer 16
-
$2,086 AUD
$1,465 USD
View
B+
Retailer 17
-
$2,142 AUD
$1,505 USD
View
B+
Retailer 18
-
$2,261 AUD
$1,588 USD
View
B+
Retailer 19
-
$2,450 AUD
$1,721 USD
View
B+
Retailer 20
-
$2,549 AUD
£1,410 GBP
View
Most Expensive
B
With Clarity
743578833 · Oct 31
$2,775 AUD
$1,949 USD
View
20 more retailers have this diamond
Prices start from $524 AUDSave up to $2,251 AUD

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
$524 AUD