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Radiant|Lab Grown|IGI

1.66ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG7506312449

Certificate IGI LG7506312449

Diamond specifications and retailer prices

From $4,791 CAD
$3,430 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: $4,791 CAD at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 1.66ct lab-grown radiant diamond

This 1.66ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG7506312449 or 7506312449. Listed at a single retailer as of October 29, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG7506312449
Dimensions8.07 × 6.02 × 4.02 mm
L/W Ratio1.34
Girdle conditionPolished
Cert comments
An additional inscription is present. This is a man-made diamond.
Key to symbols
Crystal, Minor Details of Polish
Top View
8.07 mm6.02 mm1.66 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG7506312449
Side View
Table 65.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 66.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $4,791 CAD|Low: $4,791 CAD|High: $5,769 CAD|Avg: $5,410 CAD|-13.8%
May 14, 2026
Brilliant Earth$4,791 CAD

10 data points across 1 retailer

1 retailer

B
Brilliant Earth
11559625Y · Oct 29
$4,791 CAD
$3,430 USD
View

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B
1.66ct Radiant
$4,791 CAD