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Cushion|Lab Grown|IGI

2.57ct E SI2 Cushion Lab Grown Diamond

ID • E/SI2 • IGI LG641413011

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG641413011

Diamond specifications and retailer prices

From $342 CAD
$244 USD
As of October 27, 2026
Save $3,927 CAD (92%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,269 CAD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 2.57ct lab-grown cushion diamond

This 2.57ct lab-grown cushion sits in the two to three carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG641413011 or 641413011. Listed at 12 retailers as of October 27, 2026, with prices from $342 to $4,269, a $3,927 spread on the same certified stone. Brilliant Earth lists it at $4,269. 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

2.57
Carat
E
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG641413011
Dimensions9.31 × 6.91 × 4.67 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.31 mm6.91 mm2.57 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG641413011
Side View
Table 63.0%Crown 34.5°Girdle: MED-STKPavilion 33.5°Culet: NoneDepth 67.6%

Caratlytics Score

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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 27
Current: $4,269 CAD|Low: $342 CAD|High: $4,269 CAD|Avg: $1,162 CAD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 3$342 CAD
Retailer 4$430 CAD
Retailer 5$486 CAD
Retailer 2$616 CAD
Retailer 10$649 CAD
Retailer 6$699 CAD
Retailer 12$794 CAD
Retailer 9$984 CAD
Retailer 11$1,228 CAD
Retailer 7$1,520 CAD
Retailer 8$2,351 CAD
Brilliant Earth$4,269 CAD

41 data points across 12 retailers

12 retailers$342 CAD to $4,269 CAD

A
Cheapest Retailer
-
$342 CAD
$244 USD
Final sale: no returns
A
Retailer 2
-
$430 CAD
HK$2,400 HKD
View
A
Retailer 3
-
$486 CAD
£273 GBP
View
A
Retailer 4
-
$616 CAD
€419 EUR
View
B+
Retailer 5
-
$649 CAD
$464 USD
View
A
Retailer 6
-
$699 CAD
£393 GBP
View
A
Retailer 7
-
$794 CAD
$567 USD
View
A
Retailer 8
-
$984 CAD
$703 USD
View
B+
Retailer 9
-
$1,228 CAD
SGD 1,186 SGD
View
B+
Retailer 10
-
$1,520 CAD
£855 GBP
View
B
Retailer 11
-
$2,351 CAD
$1,680 USD
View
Most Expensive
B
Brilliant Earth
14415953A · Oct 28
$4,269 CAD
$3,050 USD
View
11 more retailers have this diamond
Prices start from $342 CADSave up to $3,927 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
2.57ct Cushion
$342 CAD