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Heart|Lab Grown|IGI

1.50ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG623481707

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG623481707

Diamond specifications and retailer prices

From $572 AUD
$402 USD
As of October 30, 2026
Save $2,081 AUD (78%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,143 AUD at Brilliant Earth · As of October 8, 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 LG623481707 or 623481707. Listed at 18 retailers as of October 30, 2026, with a 364% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle35°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623481707
Dimensions6.82 × 7.82 × 4.72 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
6.82 mm7.82 mm1.50 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623481707
Side View
Table 62.0%Crown 35°Girdle: MED-STKPavilion 41.9°Culet: NoneDepth 60.4%

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: Oct 30
Current: $4,143 AUD|Low: $456 AUD|High: $4,143 AUD|Avg: $1,546 AUD
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 16$572 AUD
Retailer 7$639 AUD
Retailer 5$641 AUD
Retailer 3$709 AUD
Retailer 6$709 AUD
Retailer 12$918 AUD
Retailer 15$954 AUD
Retailer 2$1,165 AUD
Retailer 11$1,218 AUD
Retailer 8$1,481 AUD
Retailer 14$1,650 AUD
Retailer 10$1,651 AUD
Retailer 4$2,279 AUD
Retailer 9$2,615 AUD
Retailer 17$2,654 AUD
Retailer 13$2,784 AUD
Brilliant Earth$4,143 AUD

45 data points across 17 retailers

18 retailers$572 AUD to $2,654 AUD

A
Cheapest Retailer
-
$572 AUD
$402 USD
A
Retailer 2
-
$639 AUD
$449 USD
View
Final sale: no returns
A
Retailer 3
-
$641 AUD
$450 USD
View
A
Retailer 4
-
$709 AUD
$498 USD
View
A
Retailer 5
-
$709 AUD
$498 USD
View
A
Retailer 6
-
$918 AUD
$645 USD
View
A
Retailer 7
-
$954 AUD
$670 USD
View
A
Retailer 8
-
$1,165 AUD
£644 GBP
View
A
Retailer 9
-
$1,218 AUD
ZAR 13,825 ZAR
View
A
Retailer 10
-
$1,481 AUD
$1,040 USD
View
B+
Retailer 11
-
$1,650 AUD
$1,159 USD
View
A
Retailer 12
-
$1,651 AUD
View
B+
Retailer 13
-
$2,279 AUD
$1,601 USD
View
B+
Retailer 14
-
$2,330 AUD
$1,637 USD
View
B
Retailer 15
-
$2,615 AUD
$1,837 USD
View
B
Retailer 16
-
$2,654 AUD
$1,864 USD
View
Retailer 17
-
$2,784 AUD
£1,540 GBP
View
Price last confirmed 12 days ago
Most Expensive
Brilliant Earth
21385356A · Oct 8
$4,143 AUD
$2,910 USD
View
Price last confirmed 22 days ago
17 more retailers have this diamond
Prices start from $572 AUDSave up to $2,081 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
$572 AUD