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Cushion|Lab Grown|IGI

4.02ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG743599835

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG743599835

Diamond specifications and retailer prices

From $639 CAD
£360 GBP
As of October 27, 2026
Save $3,803 CAD (86%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,442 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.02ct lab-grown cushion diamond

This 4.02ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG743599835 or 743599835. Listed at 14 retailers as of October 27, 2026, with prices from $639 to $4,442, a $3,803 spread on the same certified stone. Brilliant Earth lists it at $4,442. 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
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle31.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743599835
Dimensions9.03 × 8.73 × 5.56 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.03 mm8.73 mm4.02 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743599835
Side View
Table 61.0%Crown 32.7°Girdle: MED-STKPavilion 31.7°Culet: NoneDepth 63.7%

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 27
Current: $4,442 CAD|Low: $637 CAD|High: $4,442 CAD|Avg: $1,825 CAD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 31, 2026
Retailer 11$639 CAD
Retailer 6$689 CAD
Retailer 8$822 CAD
Retailer 14$908 CAD
Retailer 7$1,154 CAD
Retailer 3$1,197 CAD
Retailer 5$1,236 CAD
Retailer 12$1,254 CAD
Retailer 2$1,812 CAD
Retailer 4$1,932 CAD
Retailer 10$2,388 CAD
Retailer 13$2,807 CAD
Retailer 9$3,220 CAD
Brilliant Earth$4,442 CAD

40 data points across 14 retailers

14 retailers$639 CAD to $4,442 CAD

A
Cheapest Retailer
-
$639 CAD
£360 GBP
A
Retailer 2
-
$822 CAD
HK$4,600 HKD
View
A
Retailer 3
-
$908 CAD
$650 USD
View
A
Retailer 4
-
$1,154 CAD
€787 EUR
View
B+
Retailer 5
-
$1,197 CAD
$857 USD
View
A
Retailer 6
-
$1,236 CAD
$885 USD
View
A
Retailer 7
-
$1,254 CAD
£707 GBP
View
B+
Retailer 8
-
$1,812 CAD
$1,297 USD
View
B+
Retailer 9
-
$1,932 CAD
$1,383 USD
View
B+
Retailer 10
-
$2,388 CAD
SGD 2,310 SGD
View
B+
Retailer 11
-
$2,807 CAD
£1,582 GBP
View
B+
Retailer 12
-
$3,220 CAD
$2,305 USD
View
B
Retailer 13
-
$3,234 CAD
$2,315 USD
View
Most Expensive
B
Brilliant Earth
16748012A · Oct 29
$4,442 CAD
$3,180 USD
View
13 more retailers have this diamond
Prices start from $639 CADSave up to $3,803 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
$639 CAD