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Cushion|Lab Grown|IGI

4.08ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG828639977

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG828639977

Diamond specifications and retailer prices

From $1,971 CAD
$1,411 USD
As of October 30, 2026
Save $7,011 CAD (78%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $8,982 CAD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.08ct lab-grown cushion diamond

This 4.08ct 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 LG828639977 or 828639977. Listed at 4 retailers as of October 30, 2026, with prices from $1,971 to $8,982, a $7,011 spread on the same certified stone. Do Amore Diamonds lists it at $8,982. 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

4.08
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.3°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828639977
Dimensions11.21 × 8.28 × 5.61 mm
L/W Ratio1.35
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.21 mm8.28 mm4.08 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG828639977
Side View
Table 63.0%Crown 36.3°Girdle: MED-THKPavilion 38.4°CuletDepth 67.8%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $8,982 CAD|Low: $1,460 CAD|High: $9,317 CAD|Avg: $5,186 CAD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
October 31, 2026
Retailer 4$1,971 CAD
Retailer 3$1,977 CAD
Retailer 2$5,060 CAD
Do Amore Diamonds$8,982 CAD

19 data points across 4 retailers

4 retailers$1,971 CAD to $8,982 CAD

B+
Cheapest Retailer
-
$1,971 CAD
$1,411 USD
B+
Retailer 2
-
$1,977 CAD
$1,415 USD
View
B
Retailer 3
-
$5,060 CAD
£2,852 GBP
View
Most Expensive
C
Do Amore Diamonds
7-1791799 · Oct 31
$8,982 CAD
$6,430 USD
View
3 more retailers have this diamond
Prices start from $1,971 CADSave up to $7,011 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+
4.08ct Cushion
$1,971 CAD