Radiant|Lab Grown|IGI

1.48ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG800676873

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

Certificate IGI LG800676873

Diamond specifications and retailer prices

From $372 USD
As of October 30, 2026
Save $4,008 USD (92%) vs most expensive(unlock to see where)
14 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 LG800676873 or 800676873. Listed at 14 retailers as of October 29, 2026, with prices from $372 to $4,380, a $4,008 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 angle39.1°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800676873
Dimensions8.36 × 5.75 × 3.77 mm
L/W Ratio1.45
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
8.36 mm5.75 mm1.48 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800676873
Side View
Table 66.0%Crown 39.1°Girdle: MediumPavilion 35.4°Culet: NoneDepth 65.6%

Caratlytics Score

How it works →
A+
Exceptional
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: $4,380 USD|Low: $359 USD|High: $4,510 USD|Avg: $1,752 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
October 29, 2026
Retailer 7$372 USD
Retailer 13$431 USD
Retailer 6$502 USD
Retailer 8$623 USD
Retailer 4$685 USD
Retailer 11$735 USD
Retailer 3$851 USD
Retailer 5$911 USD
Retailer 10$1,352 USD
Retailer 12$1,635 USD
Retailer 2$1,999 USD
Retailer 14$3,285 USD
Retailer 9$3,300 USD
Brilliant Earth$4,380 USD

29 data points across 14 retailers

14 retailers$372 USD to $4,380 USD

A+
Cheapest Retailer
-
$372 USD
A
Retailer 2
-
$431 USD
View
A
Retailer 3
-
$502 USD
View
Final sale: no returns
A
Retailer 4
-
$623 USD
View
A
Retailer 5
-
$685 USD
View
A
Retailer 6
-
$735 USD
View
A
Retailer 7
-
$851 USD
€810 EUR
View
A
Retailer 8
-
$911 USD
View
B+
Retailer 9
-
$1,352 USD
View
B+
Retailer 10
-
$1,635 USD
View
B+
Retailer 11
-
$1,999 USD
£1,574 GBP
View
Retailer 12
-
$3,285 USD
View
Price last confirmed 9 days ago
B
Retailer 13
-
$3,300 USD
View
Most Expensive
B
Brilliant Earth
20496653Y · Oct 29
$4,380 USD
View
13 more retailers have this diamond
Prices start from $372 USDSave up to $4,008 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
$372 USD