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Cushion|Lab Grown|IGI

4.06ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG617417790

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG617417790

Diamond specifications and retailer prices

From $1,083 CAD
$775 USD
As of October 31, 2026
Save $3,332 CAD (75%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,414 CAD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.06ct lab-grown cushion diamond

This 4.06ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG617417790 or 617417790. Listed at 11 retailers as of October 31, 2026, with prices from $1,083 to $4,414, a $3,332 spread on the same certified stone. Brilliant Earth lists it at $4,414. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

4.06
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG617417790
Dimensions9.33 × 9.25 × 6.05 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.33 mm9.25 mm4.06 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG617417790
Side View
Table 64.0%Crown 35.7°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 65.4%

Caratlytics Score

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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 31
Current: $4,414 CAD|Low: $661 CAD|High: $4,568 CAD|Avg: $2,000 CAD|-3.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 7$772 CAD
Retailer 8$891 CAD
Retailer 6$1,083 CAD
Retailer 5$1,232 CAD
Retailer 4$1,380 CAD
Retailer 11$1,380 CAD
Retailer 9$1,446 CAD
Retailer 10$1,639 CAD
Retailer 2$3,718 CAD
Retailer 3$4,221 CAD
Brilliant Earth$4,414 CAD

35 data points across 11 retailers

11 retailers$1,083 CAD to $4,414 CAD

Retailer 1
-
$772 CAD
£435 GBP
Price last confirmed 16 days ago
Retailer 2
-
$891 CAD
$638 USD
View
Price last confirmed 22 days ago
A
Retailer 3
-
$1,083 CAD
$775 USD
View
A
Retailer 4
-
$1,232 CAD
€840 EUR
View
A
Retailer 5
-
$1,380 CAD
£778 GBP
View
B+
Retailer 6
-
$1,380 CAD
$988 USD
View
A
Retailer 7
-
$1,446 CAD
$1,035 USD
View
A
Retailer 8
-
$1,639 CAD
$1,173 USD
View
B
Retailer 9
-
$3,718 CAD
£2,096 GBP
View
B
Retailer 10
-
$4,221 CAD
$3,022 USD
View
Most Expensive
B
Brilliant Earth
8988689A · Oct 31
$4,414 CAD
$3,160 USD
View
10 more retailers have this diamond
Prices start from $1,083 CADSave up to $3,332 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.

A
4.06ct Cushion
$1,083 CAD