CaratHunter
Plans
Heart|Lab Grown|IGI

1.24ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG842604120

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG842604120

Diamond specifications and retailer prices

From $361 AUD
As of November 4, 2026
Save $2,553 AUD (88%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,914 AUD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.24ct lab-grown heart diamond

This 1.24ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG842604120 or 842604120. Listed at 20 retailers as of November 4, 2026, with prices from $361 to $2,914, a $2,553 spread on the same certified stone. Brilliant Earth lists it at $2,914. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.24
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842604120
Dimensions6.52 × 7.43 × 4.21 mm
L/W Ratio1.14
Girdle conditionFaceted
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
6.52 mm7.43 mm1.24 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842604120
Side View
Table 57.0%Crown 36.4°Girdle: STK-THKPavilion 35.8°Culet: NoneDepth 56.7%

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: Nov 4
Current: $2,914 AUD|Low: $361 AUD|High: $4,214 AUD|Avg: $1,096 AUD|-30.8%
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
Retailer 18
Retailer 19
Retailer 20
November 5, 2026
Retailer 9$361 AUD
Retailer 6$404 AUD
Retailer 18$419 AUD
Retailer 3$447 AUD
Retailer 8$447 AUD
Retailer 2$457 AUD
Retailer 19$679 AUD
Retailer 4$749 AUD
Retailer 17$771 AUD
Retailer 5$809 AUD
Retailer 13$839 AUD
Retailer 15$1,096 AUD
Retailer 16$1,143 AUD
Retailer 20$1,147 AUD
Retailer 11$1,438 AUD
Retailer 12$1,494 AUD
Retailer 7$1,511 AUD
Retailer 10$1,634 AUD
Retailer 14$1,788 AUD
Brilliant Earth$2,914 AUD

21 data points across 20 retailers

20 retailers$361 AUD to $2,914 AUD

A
Cheapest Retailer
-
$361 AUD
A
Retailer 2
-
$404 AUD
View
Final sale: no returns
A
Retailer 3
-
$419 AUD
View
Retailer 4
-
$447 AUD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$447 AUD
View
A
Retailer 6
-
$457 AUD
View
A
Retailer 7
-
$679 AUD
View
A
Retailer 8
-
$749 AUD
View
A
Retailer 9
-
$771 AUD
View
A
Retailer 10
-
$809 AUD
View
A
Retailer 11
-
$839 AUD
View
B+
Retailer 12
-
$1,096 AUD
View
B+
Retailer 13
-
$1,143 AUD
View
B+
Retailer 14
-
$1,147 AUD
View
B+
Retailer 15
-
$1,438 AUD
View
B+
Retailer 16
-
$1,494 AUD
View
B+
Retailer 17
-
$1,511 AUD
View
B+
Retailer 18
-
$1,634 AUD
View
B+
Retailer 19
-
$1,788 AUD
View
Most Expensive
B
Brilliant Earth
22132052A · Nov 4
$2,914 AUD
$2,040 USD
View
19 more retailers have this diamond
Prices start from $361 AUDSave up to $2,553 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
1.24ct Heart
$361 AUD