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Heart|Lab Grown|IGI

1.48ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG840632391

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840632391

Diamond specifications and retailer prices

From $581 AUD
$408 USD
As of October 30, 2026
Save $3,818 AUD (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,399 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.48ct lab-grown heart diamond

This 1.48ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840632391 or 840632391. Listed at 19 retailers as of October 30, 2026, with prices from $581 to $4,399, a $3,818 spread on the same certified stone. Brilliant Earth lists it at $4,399. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.48
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840632391
Dimensions7.01 × 7.85 × 4.56 mm
L/W Ratio1.12
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
7.01 mm7.85 mm1.48 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840632391
Side View
Table 56.0%Crown 36.3°Girdle: MED-STKPavilion 37.5°Culet: NoneDepth 58.1%

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: $4,399 AUD|Low: $581 AUD|High: $6,278 AUD|Avg: $1,783 AUD|-29.9%
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
November 2, 2026
Retailer 9$581 AUD
Retailer 4$651 AUD
Retailer 6$699 AUD
Retailer 16$720 AUD
Retailer 19$720 AUD
Retailer 2$742 AUD
Retailer 17$932 AUD
Retailer 8$1,063 AUD
Retailer 10$1,142 AUD
Retailer 13$1,185 AUD
Retailer 12$1,243 AUD
Retailer 3$1,643 AUD
Retailer 14$1,734 AUD
Retailer 18$2,316 AUD
Retailer 5$2,366 AUD
Retailer 11$2,600 AUD
Retailer 15$2,831 AUD
Retailer 7$3,032 AUD
Brilliant Earth$4,399 AUD

25 data points across 19 retailers

19 retailers$581 AUD to $4,399 AUD

A
Cheapest Retailer
-
$581 AUD
$408 USD
A
Retailer 2
-
$651 AUD
$457 USD
View
A
Retailer 3
-
$699 AUD
$491 USD
View
Final sale: no returns
A
Retailer 4
-
$720 AUD
$506 USD
View
Retailer 5
-
$720 AUD
$506 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$742 AUD
£410 GBP
View
A
Retailer 7
-
$932 AUD
$655 USD
View
A
Retailer 8
-
$1,063 AUD
$747 USD
View
A
Retailer 9
-
$1,142 AUD
$802 USD
View
A
Retailer 10
-
$1,185 AUD
£655 GBP
View
A
Retailer 11
-
$1,243 AUD
ZAR 14,102 ZAR
View
B+
Retailer 12
-
$1,643 AUD
$1,154 USD
View
B+
Retailer 13
-
$1,734 AUD
$1,218 USD
View
B+
Retailer 14
-
$2,316 AUD
$1,627 USD
View
B+
Retailer 15
-
$2,366 AUD
$1,662 USD
View
B+
Retailer 16
-
$2,600 AUD
SGD 2,468 SGD
View
B+
Retailer 17
-
$2,831 AUD
£1,566 GBP
View
B
Retailer 18
-
$3,032 AUD
$2,130 USD
View
Most Expensive
B
Brilliant Earth
21738623A · Oct 31
$4,399 AUD
$3,090 USD
View
18 more retailers have this diamond
Prices start from $581 AUDSave up to $3,818 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
1.48ct Heart
$581 AUD