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Radiant|Lab Grown|IGI

1.48ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG794612089

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG794612089

Diamond specifications and retailer prices

From $4,380 USD
As of October 29, 2026
2 retailers carry this diamond
Most expensive: $4,380 USD at Brilliant Earth
View at Brilliant Earth

About this 1.48ct lab-grown radiant diamond

This 1.48ct lab-grown radiant 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 LG794612089 or 794612089. Listed at 2 retailers as of October 29, 2026. 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 angle46.5°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794612089
Dimensions7.76 × 5.59 × 3.92 mm
L/W Ratio1.39
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
7.76 mm5.59 mm1.48 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794612089
Side View
Table 62.0%Crown 46.5°Girdle: Slightly ThickPavilion 35.8°Culet: NoneDepth 70.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $4,380 USD|Low: $378 USD|High: $4,510 USD|Avg: $1,651 USD|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 4, 2026
Retailer 7$378 USD
Retailer 6$730 USD
Retailer 11$810 USD
Retailer 12$1,004 USD
Retailer 9$1,029 USD
Retailer 2$1,129 USD
Retailer 4$1,224 USD
Retailer 10$1,722 USD
Retailer 8$1,922 USD
Retailer 5$2,070 USD
Retailer 3$3,282 USD
Brilliant Earth$4,380 USD

3 data points across 12 retailers

2 retailers

Retailer 1
-
$1,129 USD
Price last confirmed 24 days ago
Most Expensive
B
Brilliant Earth
21398569Y · Oct 29
$4,380 USD
View
1 more retailer has this diamond

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.

B
1.48ct Radiant
$4,380 USD