Heart|Lab Grown|IGI

1.24ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG842652083

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG842652083

Diamond specifications and retailer prices

From $406 AUD
As of November 4, 2026
Save $3,223 AUD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,628 AUD at Brilliant Earth · As of November 2, 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 LG842652083 or 842652083. Listed at 18 retailers as of November 2, 2026, with prices from $406 to $3,628, a $3,223 spread on the same certified stone. Brilliant Earth lists it at $3,628. 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 angle34.1°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842652083
Dimensions6.64 × 7.63 × 4.27 mm
L/W Ratio1.15
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
6.64 mm7.63 mm1.24 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842652083
Side View
Table 58.0%Crown 34.1°Girdle: MED-STKPavilion 38.3°Culet: NoneDepth 56.0%

Caratlytics Score

How it works →
A+
Exceptional
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: $3,628 AUD|Low: $406 AUD|High: $3,871 AUD|Avg: $1,008 AUD|-6.3%
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
November 5, 2026
Retailer 9$406 AUD
Retailer 6$454 AUD
Retailer 16$471 AUD
Retailer 18$504 AUD
Retailer 2$514 AUD
Retailer 10$537 AUD
Retailer 5$566 AUD
Retailer 7$729 AUD
Retailer 12$831 AUD
Retailer 4$861 AUD
Retailer 15$869 AUD
Retailer 11$880 AUD
Retailer 13$1,236 AUD
Retailer 14$1,548 AUD
Retailer 8$1,618 AUD
Retailer 3$1,620 AUD
Retailer 17$2,018 AUD
Brilliant Earth$3,628 AUD

22 data points across 18 retailers

18 retailers$406 AUD to $3,628 AUD

A+
Cheapest Retailer
-
$406 AUD
A
Retailer 2
-
$454 AUD
View
Final sale: no returns
A
Retailer 3
-
$471 AUD
View
A
Retailer 4
-
$504 AUD
View
A
Retailer 5
-
$514 AUD
View
Retailer 6
-
$537 AUD
View
Price last confirmed 11 days ago
A
Retailer 7
-
$566 AUD
View
A
Retailer 8
-
$729 AUD
View
A
Retailer 9
-
$831 AUD
View
A
Retailer 10
-
$861 AUD
View
A
Retailer 11
-
$869 AUD
View
A
Retailer 12
-
$880 AUD
View
B+
Retailer 13
-
$1,236 AUD
View
B+
Retailer 14
-
$1,548 AUD
View
B+
Retailer 15
-
$1,618 AUD
View
B+
Retailer 16
-
$1,620 AUD
View
B+
Retailer 17
-
$2,018 AUD
View
Most Expensive
B
Brilliant Earth
21812902A · Nov 2
$3,628 AUD
$2,540 USD
View
17 more retailers have this diamond
Prices start from $406 AUDSave up to $3,223 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
$406 AUD