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Cushion|Lab Grown|IGI

3.03ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG668409647

Shape and cutting style on the report: Cushion modified brilliant cut

Certificate IGI LG668409647

Diamond specifications and retailer prices

From $501 CAD
$359 USD
As of October 30, 2026
Save $4,681 CAD (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,182 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.03ct lab-grown cushion diamond

This 3.03ct 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 LG668409647 or 668409647. Listed at 10 retailers as of October 29, 2026, with prices from $501 to $5,182, a $4,681 spread on the same certified stone. Brilliant Earth lists it at $5,182. 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

3.03
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle32.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668409647
Dimensions9.18 × 7.52 × 5.18 mm
L/W Ratio1.22
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.18 mm7.52 mm3.03 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG668409647
Side View
Table 59.0%Crown 38.1°Girdle: STK-VTKPavilion 32.8°Culet: NoneDepth 68.9%

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 30
Current: $5,182 CAD|Low: $501 CAD|High: $5,182 CAD|Avg: $1,485 CAD|+7.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 10$501 CAD
Retailer 9$571 CAD
Retailer 8$866 CAD
Retailer 5$912 CAD
Retailer 2$999 CAD
Retailer 6$1,000 CAD
Retailer 4$1,007 CAD
Retailer 3$1,362 CAD
Retailer 7$2,303 CAD
Brilliant Earth$5,182 CAD

42 data points across 10 retailers

10 retailers$501 CAD to $5,182 CAD

A
Cheapest Retailer
-
$501 CAD
$359 USD
Final sale: no returns
A
Retailer 2
-
$571 CAD
$409 USD
View
A
Retailer 3
-
$866 CAD
$620 USD
View
B+
Retailer 4
-
$912 CAD
$653 USD
View
A
Retailer 5
-
$999 CAD
£563 GBP
View
A
Retailer 6
-
$1,000 CAD
€682 EUR
View
A
Retailer 7
-
$1,007 CAD
$721 USD
View
A
Retailer 8
-
$1,362 CAD
$975 USD
View
B+
Retailer 9
-
$2,303 CAD
£1,298 GBP
View
Most Expensive
B
Brilliant Earth
13161186A · Oct 29
$5,182 CAD
$3,710 USD
View
9 more retailers have this diamond
Prices start from $501 CADSave up to $4,681 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
3.03ct Cushion
$501 CAD