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 $408 USD
As of October 27, 2026
Save $4,002 USD (91%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,410 USD at Brilliant Earth · As of October 28, 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 27, 2026, with prices from $408 to $4,410, a $4,002 spread on the same certified stone. Brilliant Earth lists it at $4,410. 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
Color
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

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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 27
Current: $4,410 USD|Low: $408 USD|High: $4,410 USD|Avg: $1,277 USD
Brilliant Earth
Retailer 2
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Retailer 12
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Retailer 19
October 29, 2026
Retailer 8$408 USD
Retailer 3$457 USD
Retailer 5$491 USD
Retailer 15$506 USD
Retailer 18$506 USD
Retailer 12$524 USD
Retailer 16$655 USD
Retailer 7$747 USD
Retailer 9$802 USD
Retailer 14$827 USD
Retailer 13$870 USD
Retailer 19$1,154 USD
Retailer 10$1,420 USD
Retailer 17$1,627 USD
Retailer 4$1,662 USD
Retailer 11$1,826 USD
Retailer 2$1,989 USD
Retailer 6$2,130 USD
Brilliant Earth$4,410 USD

21 data points across 19 retailers

19 retailers$408 USD to $4,410 USD

A
Cheapest Retailer
-
$408 USD
A
Retailer 2
-
$457 USD
View
A
Retailer 3
-
$491 USD
View
Final sale: no returns
A
Retailer 4
-
$506 USD
View
A
Retailer 5
-
$506 USD
View
A
Retailer 6
-
$524 USD
£413 GBP
View
A
Retailer 7
-
$655 USD
View
A
Retailer 8
-
$747 USD
View
A
Retailer 9
-
$802 USD
View
A
Retailer 10
-
$827 USD
£651 GBP
View
A
Retailer 11
-
$870 USD
ZAR 14,052 ZAR
View
B+
Retailer 12
-
$1,154 USD
View
B+
Retailer 13
-
$1,420 USD
View
B+
Retailer 14
-
$1,627 USD
View
B+
Retailer 15
-
$1,662 USD
View
B+
Retailer 16
-
$1,826 USD
SGD 2,468 SGD
View
B+
Retailer 17
-
$1,989 USD
£1,566 GBP
View
B+
Retailer 18
-
$2,130 USD
View
Most Expensive
B
Brilliant Earth
21738623A · Oct 28
$4,410 USD
View
18 more retailers have this diamond
Prices start from $408 USDSave up to $4,002 USD

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
$408 USD