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Heart|Lab Grown|IGI

1.50ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG726564838

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG726564838

Diamond specifications and retailer prices

From $399 AUD
$280 USD
As of October 30, 2026
Save $3,644 AUD (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,043 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 LG726564838 or 726564838. Listed at 14 retailers as of October 30, 2026, with prices from $399 to $4,043, a $3,644 spread on the same certified stone. Brilliant Earth lists it at $4,043. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG726564838
Dimensions6.99 × 7.88 × 4.57 mm
L/W Ratio1.13
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
6.99 mm7.88 mm1.50 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG726564838
Side View
Table 57.0%Crown 36°Girdle: STK-THKPavilion 38.2°Culet: NoneDepth 58.0%

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: $4,043 AUD|Low: $363 AUD|High: $5,025 AUD|Avg: $1,534 AUD|-19.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 5$399 AUD
Retailer 17$450 AUD
Retailer 15$463 AUD
Retailer 13$619 AUD
Retailer 12$669 AUD
Retailer 2$719 AUD
Retailer 16$864 AUD
Retailer 7$957 AUD
Retailer 8$1,075 AUD
Retailer 9$1,160 AUD
Retailer 10$1,270 AUD
Retailer 14$1,409 AUD
Retailer 6$1,752 AUD
Retailer 4$1,928 AUD
Retailer 11$2,188 AUD
Retailer 3$3,531 AUD
Brilliant Earth$4,043 AUD

30 data points across 17 retailers

14 retailers$399 AUD to $4,043 AUD

A
Cheapest Retailer
-
$399 AUD
$280 USD
A
Retailer 2
-
$450 AUD
$316 USD
View
Final sale: no returns
A
Retailer 3
-
$463 AUD
$325 USD
View
A
Retailer 4
-
$619 AUD
$435 USD
View
A
Retailer 5
-
$669 AUD
$470 USD
View
A
Retailer 6
-
$719 AUD
$505 USD
View
A
Retailer 7
-
$864 AUD
$607 USD
View
A
Retailer 8
-
$1,270 AUD
View
A
Retailer 9
-
$1,409 AUD
$990 USD
View
B+
Retailer 10
-
$1,752 AUD
$1,231 USD
View
B+
Retailer 11
-
$1,928 AUD
$1,354 USD
View
B+
Retailer 12
-
$2,188 AUD
£1,210 GBP
View
B
Retailer 13
-
$3,531 AUD
$2,480 USD
View
Most Expensive
B
Brilliant Earth
21405909Y · Oct 30
$4,043 AUD
$2,840 USD
View
13 more retailers have this diamond
Prices start from $399 AUDSave up to $3,644 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
$399 AUD