Radiant|Lab Grown|IGI

1.46ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG801694978

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

Certificate IGI LG801694978

Diamond specifications and retailer prices

From $367 USD
As of October 30, 2026
Save $3,303 USD (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,670 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.46ct lab-grown radiant diamond

This 1.46ct 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 LG801694978 or 801694978. Listed at 12 retailers as of October 30, 2026, with prices from $367 to $3,670, a $3,303 spread on the same certified stone. Brilliant Earth lists it at $3,670. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.46
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801694978
Dimensions7.84 × 5.63 × 3.94 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
7.84 mm5.63 mm1.46 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801694978
Side View
Table 62.0%Crown 39.6°Girdle: Slightly ThickPavilion 36.7°Culet: NoneDepth 70.0%

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: $3,670 USD|Low: $367 USD|High: $5,280 USD|Avg: $1,817 USD|-30.5%
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 30, 2026
Retailer 5$367 USD
Retailer 10$426 USD
Retailer 3$675 USD
Retailer 8$728 USD
Retailer 12$841 USD
Retailer 4$887 USD
Retailer 7$1,335 USD
Retailer 9$1,615 USD
Retailer 2$1,974 USD
Retailer 11$3,240 USD
Retailer 6$3,260 USD
Brilliant Earth$3,670 USD

29 data points across 12 retailers

12 retailers$367 USD to $3,670 USD

A
Cheapest Retailer
-
$367 USD
A
Retailer 2
-
$426 USD
View
A
Retailer 3
-
$675 USD
View
A
Retailer 4
-
$728 USD
View
A
Retailer 5
-
$841 USD
€801 EUR
View
B+
Retailer 6
-
$887 USD
View
B+
Retailer 7
-
$1,335 USD
View
B
Retailer 8
-
$1,615 USD
View
B
Retailer 9
-
$1,974 USD
£1,554 GBP
View
Retailer 10
-
$3,240 USD
View
Price last confirmed 9 days ago
B
Retailer 11
-
$3,260 USD
View
Most Expensive
B
Brilliant Earth
21059962Y · Oct 30
$3,670 USD
View
11 more retailers have this diamond
Prices start from $367 USDSave up to $3,303 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
1.46ct Radiant
$367 USD