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Cushion|Lab Grown|IGI

3.08ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG828648369

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG828648369

Diamond specifications and retailer prices

From $700 CAD
$500 USD
As of October 29, 2026
Save $3,359 CAD (83%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $4,059 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.08ct lab-grown cushion diamond

This 3.08ct 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 LG828648369 or 828648369. Listed at 8 retailers as of October 29, 2026, with prices from $700 to $4,059, a $3,359 spread on the same certified stone. Brilliant Earth lists it at $4,059. 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

3.08
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.5°
Pavilion angle42.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828648369
Dimensions11.28 × 7.54 × 5.07 mm
L/W Ratio1.50
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.28 mm7.54 mm3.08 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828648369
Side View
Table 55.0%Crown 39.5°Girdle: MED-THKPavilion 42.5°Culet: LargeDepth 67.2%

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: Oct 29
Current: $4,059 CAD|Low: $700 CAD|High: $6,452 CAD|Avg: $2,054 CAD|-37.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 5$700 CAD
Retailer 8$920 CAD
Retailer 3$1,169 CAD
Retailer 6$1,215 CAD
Retailer 2$1,281 CAD
Retailer 9$1,502 CAD
Retailer 7$2,458 CAD
Retailer 4$2,849 CAD
Brilliant Earth$4,059 CAD

38 data points across 9 retailers

8 retailers$700 CAD to $4,059 CAD

A
Cheapest Retailer
-
$700 CAD
$500 USD
Final sale: no returns
Retailer 2
-
$920 CAD
$657 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$1,169 CAD
$835 USD
View
B+
Retailer 4
-
$1,215 CAD
$868 USD
View
A
Retailer 5
-
$1,281 CAD
£721 GBP
View
B+
Retailer 6
-
$2,458 CAD
SGD 2,373 SGD
View
B
Retailer 7
-
$2,849 CAD
£1,603 GBP
View
Most Expensive
B
Brilliant Earth
21584624A · Oct 29
$4,059 CAD
$2,900 USD
View
7 more retailers have this diamond
Prices start from $700 CADSave up to $3,359 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
3.08ct Cushion
$700 CAD