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Cushion|Lab Grown|IGI

3.04ct E SI1 Cushion Lab Grown Diamond

EX • E/SI1 • IGI LG687530944

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG687530944

Diamond specifications and retailer prices

From $675 CAD
$483 USD
As of October 29, 2026
Save $3,851 CAD (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,526 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.04ct lab-grown cushion diamond

This 3.04ct 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 LG687530944 or 687530944. Listed at 12 retailers as of October 29, 2026, with prices from $675 to $4,526, a $3,851 spread on the same certified stone. Brilliant Earth lists it at $4,526. 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

3.04
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687530944
Dimensions9.76 × 7.80 × 5.32 mm
L/W Ratio1.25
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.76 mm7.80 mm3.04 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687530944
Side View
Table 60.0%Crown 32.8°Girdle: THN-MEDPavilion 39.8°Culet: NoneDepth 68.2%

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: $4,526 CAD|Low: $661 CAD|High: $4,652 CAD|Avg: $1,614 CAD|-2.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 4$675 CAD
Retailer 10$732 CAD
Retailer 7$971 CAD
Retailer 11$971 CAD
Retailer 3$1,154 CAD
Retailer 2$1,207 CAD
Retailer 5$1,222 CAD
Retailer 9$1,738 CAD
Retailer 6$2,704 CAD
Retailer 8$2,766 CAD
Brilliant Earth$4,526 CAD

43 data points across 11 retailers

12 retailers$675 CAD to $4,526 CAD

A
Cheapest Retailer
-
$675 CAD
$483 USD
Final sale: no returns
A
Retailer 2
-
$732 CAD
$524 USD
View
A
Retailer 3
-
$971 CAD
$695 USD
View
B+
Retailer 4
-
$971 CAD
$695 USD
View
A
Retailer 5
-
$1,154 CAD
$826 USD
View
A
Retailer 6
-
$1,207 CAD
£680 GBP
View
A
Retailer 7
-
$1,222 CAD
€833 EUR
View
A
Retailer 8
-
$1,415 CAD
$1,013 USD
View
B+
Retailer 9
-
$1,738 CAD
$1,244 USD
View
B+
Retailer 10
-
$2,704 CAD
£1,524 GBP
View
B
Retailer 11
-
$2,766 CAD
$1,980 USD
View
Most Expensive
B
Brilliant Earth
20628169A · Oct 29
$4,526 CAD
$3,240 USD
View
11 more retailers have this diamond
Prices start from $675 CADSave up to $3,851 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
3.04ct Cushion
$675 CAD