Radiant|Lab Grown|IGI

1.46ct D FL Radiant Lab Grown Diamond

GD • D/FL • IGI LG800676647

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

Certificate IGI LG800676647

Diamond specifications and retailer prices

From $616 USD
As of October 29, 2026
Save $3,704 USD (86%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $4,320 USD at Brilliant Earth · As of October 29, 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 standard cut grade and certified by IGI LG800676647 or 800676647. Listed at 7 retailers as of October 29, 2026, with prices from $616 to $4,320, a $3,704 spread on the same certified stone. Brilliant Earth lists it at $4,320. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.46
Carat
D
Color
FL
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.6°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800676647
Dimensions7.92 × 5.28 × 3.93 mm
L/W Ratio1.50
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
7.92 mm5.28 mm1.46 ctD / FL
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800676647
Side View
Table 62.0%Crown 45.6°Girdle: ThickPavilion 36.9°Culet: NoneDepth 74.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $4,320 USD|Low: $616 USD|High: $4,450 USD|Avg: $1,866 USD|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 3$616 USD
Retailer 4$728 USD
Retailer 6$841 USD
Retailer 7$887 USD
Retailer 2$1,974 USD
Retailer 5$3,240 USD
Brilliant Earth$4,320 USD

21 data points across 7 retailers

7 retailers$616 USD to $4,320 USD

A
Cheapest Retailer
-
$616 USD
A
Retailer 2
-
$728 USD
View
B+
Retailer 3
-
$841 USD
€801 EUR
View
B+
Retailer 4
-
$887 USD
View
B
Retailer 5
-
$1,974 USD
£1,554 GBP
View
Retailer 6
-
$3,240 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
20496392Y · Oct 29
$4,320 USD
View
6 more retailers have this diamond
Prices start from $616 USDSave up to $3,704 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
$616 USD