Radiant|Lab Grown|IGI

1.48ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG790606562

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

Certificate IGI LG790606562

Diamond specifications and retailer prices

From $272 USD
As of October 30, 2026
Save $4,108 USD (94%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,380 USD at Brilliant Earth · As of October 29, 2026
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 LG790606562 or 790606562. Listed at 11 retailers as of October 29, 2026, with prices from $272 to $4,380, a $4,108 spread on the same certified stone. Brilliant Earth lists it at $4,380. 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 angle45.4°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790606562
Dimensions7.57 × 5.66 × 3.91 mm
L/W Ratio1.34
Culet sizePointed
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
7.57 mm5.66 mm1.48 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790606562
Side View
Table 63.0%Crown 45.4°Girdle: MediumPavilion 37.2°Culet: NoneDepth 69.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $4,380 USD|Low: $272 USD|High: $4,510 USD|Avg: $1,753 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 29, 2026
Retailer 10$272 USD
Retailer 16$316 USD
Retailer 9$535 USD
Retailer 13$559 USD
Retailer 12$1,037 USD
Retailer 14$1,198 USD
Retailer 8$1,219 USD
Retailer 15$1,223 USD
Retailer 4$1,224 USD
Retailer 7$1,308 USD
Retailer 2$1,501 USD
Retailer 5$2,125 USD
Retailer 11$2,420 USD
Retailer 6$2,574 USD
Retailer 3$3,285 USD
Brilliant Earth$4,380 USD

26 data points across 16 retailers

11 retailers$272 USD to $4,380 USD

A
Cheapest Retailer
-
$272 USD
A
Retailer 2
-
$316 USD
View
A
Retailer 3
-
$535 USD
View
A
Retailer 4
-
$559 USD
View
B+
Retailer 5
-
$1,037 USD
View
B+
Retailer 6
-
$1,198 USD
View
B+
Retailer 7
-
$1,223 USD
View
B+
Retailer 8
-
$1,501 USD
£1,182 GBP
View
B+
Retailer 9
-
$2,420 USD
View
Retailer 10
-
$3,285 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
21413605Y · Oct 29
$4,380 USD
View
10 more retailers have this diamond
Prices start from $272 USDSave up to $4,108 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 Radiant
$272 USD