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Cushion|Lab Grown|IGI

1.66ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG839648153

Shape and cutting style on the report: Cushion mixed cut

Certificate IGI LG839648153

Diamond specifications and retailer prices

From $2,364 CAD
$1,692 USD
As of October 28, 2026
2 retailers carry this diamond
Most expensive: $4,432 CAD at Brilliance · As of October 5, 2026
View at Brilliance

About this 1.66ct lab-grown cushion diamond

This 1.66ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG839648153 or 839648153. Listed at 2 retailers as of October 28, 2026. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle50.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839648153
Dimensions8.17 × 5.67 × 3.68 mm
L/W Ratio1.44
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.17 mm5.67 mm1.66 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839648153
Side View
Table 65.0%Crown 37.1°Girdle: MED-STKPavilion 50.5°Culet: LargeDepth 64.9%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 28
Current: $4,432 CAD|Low: $2,364 CAD|High: $4,432 CAD|Avg: $3,743 CAD
Brilliance
Retailer 2
October 4, 2026
Retailer 2$2,364 CAD
Brilliance$4,432 CAD

2 data points across 2 retailers

2 retailers

B+
Cheapest Retailer
-
$2,364 CAD
$1,692 USD
Most Expensive
Brilliance
D45626370 · Oct 5
$4,432 CAD
$3,173 USD
View
Price last confirmed 25 days ago
1 more retailer has this diamond
Prices start from $2,364 CAD

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.

B+
1.66ct Cushion
$2,364 CAD