Radiant|Lab Grown|IGI

1.48ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG794693839

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

Certificate IGI LG794693839

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)
12 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 LG794693839 or 794693839. Listed at 12 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 angle44.9°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794693839
Dimensions7.61 × 5.71 × 3.90 mm
L/W Ratio1.33
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
7.61 mm5.71 mm1.48 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794693839
Side View
Table 62.0%Crown 44.9°Girdle: MediumPavilion 35.9°Culet: NoneDepth 68.3%

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: $4,380 USD|Low: $272 USD|High: $4,510 USD|Avg: $1,707 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
Retailer 17
Retailer 18
October 29, 2026
Retailer 12$272 USD
Retailer 18$316 USD
Retailer 3$426 USD
Retailer 11$535 USD
Retailer 15$559 USD
Retailer 7$1,004 USD
Retailer 5$1,029 USD
Retailer 14$1,037 USD
Retailer 16$1,198 USD
Retailer 17$1,223 USD
Retailer 9$1,224 USD
Retailer 2$1,501 USD
Retailer 6$1,922 USD
Retailer 4$2,070 USD
Retailer 10$2,316 USD
Retailer 13$2,420 USD
Retailer 8$3,508 USD
Brilliant Earth$4,380 USD

26 data points across 18 retailers

12 retailers$272 USD to $4,380 USD

A
Cheapest Retailer
-
$272 USD
A
Retailer 2
-
$316 USD
View
A
Retailer 3
-
$426 USD
View
Final sale: no returns
A
Retailer 4
-
$535 USD
View
A
Retailer 5
-
$559 USD
View
B+
Retailer 6
-
$1,037 USD
View
Retailer 7
-
$1,147 USD
View
Price last confirmed 24 days ago
B+
Retailer 8
-
$1,198 USD
View
B+
Retailer 9
-
$1,223 USD
View
B+
Retailer 10
-
$1,501 USD
£1,182 GBP
View
B+
Retailer 11
-
$2,420 USD
View
Most Expensive
B
Brilliant Earth
21414783Y · Oct 29
$4,380 USD
View
11 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