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Cushion|Lab Grown|IGI

4.02ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG846639568

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG846639568

Diamond specifications and retailer prices

From $740 CAD
£417 GBP
As of November 2, 2026
Save $2,842 CAD (79%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $3,582 CAD at MOH London · As of November 1, 2026
View at MOH London

About this 4.02ct lab-grown cushion diamond

This 4.02ct 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 LG846639568 or 846639568. Listed at 7 retailers as of November 1, 2026, with prices from $740 to $3,582, a $2,842 spread on the same certified stone. MOH London lists it at $3,582. 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

4.02
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846639568
Dimensions11.23 × 8.08 × 5.36 mm
L/W Ratio1.39
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.23 mm8.08 mm4.02 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846639568
Side View
Table 62.0%Crown 31.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 66.3%

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: Nov 2
Current: $3,582 CAD|Low: $740 CAD|High: $3,600 CAD|Avg: $1,640 CAD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 2$740 CAD
Retailer 5$774 CAD
Retailer 4$1,055 CAD
Retailer 7$1,334 CAD
Retailer 3$1,427 CAD
Retailer 6$1,604 CAD
MOH London$3,582 CAD

8 data points across 7 retailers

7 retailers$740 CAD to $3,582 CAD

A
Cheapest Retailer
-
$740 CAD
£417 GBP
A
Retailer 2
-
$774 CAD
$554 USD
View
Final sale: no returns
A
Retailer 3
-
$1,055 CAD
$755 USD
View
B+
Retailer 4
-
$1,334 CAD
$955 USD
View
A
Retailer 5
-
$1,427 CAD
£804 GBP
View
A
Retailer 6
-
$1,604 CAD
$1,148 USD
View
Most Expensive
B
MOH London
LG846639568 · Nov 1
$3,582 CAD
£2,019 GBP
View
6 more retailers have this diamond
Prices start from $740 CADSave up to $2,842 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
4.02ct Cushion
$740 CAD