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Cushion|Lab Grown|IGI

4.01ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG821643513

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG821643513

Diamond specifications and retailer prices

From $1,939 CAD
$1,388 USD
As of October 30, 2026
Save $6,890 CAD (78%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $8,828 CAD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.01ct lab-grown cushion diamond

This 4.01ct 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 LG821643513 or 821643513. Listed at 4 retailers as of October 30, 2026, with prices from $1,939 to $8,828, a $6,890 spread on the same certified stone. Do Amore Diamonds lists it at $8,828. 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

4.01
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.2°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821643513
Dimensions11.51 × 8.07 × 5.00 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.51 mm8.07 mm4.01 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821643513
Side View
Table 60.0%Crown 39.2°Girdle: STK-THKPavilion 37.5°Culet: LargeDepth 62.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $8,828 CAD|Low: $1,446 CAD|High: $9,164 CAD|Avg: $5,101 CAD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
October 28, 2026
Retailer 4$1,939 CAD
Retailer 2$1,942 CAD
Retailer 3$4,957 CAD
Do Amore Diamonds$8,828 CAD

14 data points across 4 retailers

4 retailers$1,939 CAD to $8,828 CAD

B+
Cheapest Retailer
-
$1,939 CAD
$1,388 USD
B+
Retailer 2
-
$1,942 CAD
$1,390 USD
View
B
Retailer 3
-
$4,957 CAD
£2,794 GBP
View
Most Expensive
B
Do Amore Diamonds
7-1786122 · Oct 31
$8,828 CAD
$6,320 USD
View
3 more retailers have this diamond
Prices start from $1,939 CADSave up to $6,890 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+
4.01ct Cushion
$1,939 CAD