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Cushion|Lab Grown|IGI

2.60ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG801674914

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG801674914

Diamond specifications and retailer prices

From $455 CAD
$325 USD
As of October 28, 2026
Save $4,976 CAD (92%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,430 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.6ct lab-grown cushion diamond

This 2.6ct lab-grown cushion sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG801674914 or 801674914. Listed at 15 retailers as of October 28, 2026, with prices from $455 to $5,430, a $4,976 spread on the same certified stone. Brilliant Earth lists it at $5,430. 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

2.60
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801674914
Dimensions8.15 × 8.03 × 4.73 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.15 mm8.03 mm2.60 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801674914
Side View
Table 67.0%Crown 34.2°Girdle: STK-THKPavilion 33.4°Culet: NoneDepth 58.9%

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 28
Current: $5,430 CAD|Low: $431 CAD|High: $5,598 CAD|Avg: $1,458 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
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 15$455 CAD
Retailer 7$477 CAD
Retailer 2$634 CAD
Retailer 13$644 CAD
Retailer 4$679 CAD
Retailer 9$830 CAD
Retailer 8$894 CAD
Retailer 11$1,034 CAD
Retailer 14$1,170 CAD
Retailer 3$1,620 CAD
Retailer 5$1,691 CAD
Retailer 10$2,035 CAD
Retailer 12$2,077 CAD
Retailer 6$2,862 CAD
Brilliant Earth$5,430 CAD

36 data points across 15 retailers

15 retailers$455 CAD to $5,430 CAD

A
Cheapest Retailer
-
$455 CAD
$325 USD
Final sale: no returns
A
Retailer 2
-
$477 CAD
$341 USD
View
A
Retailer 3
-
$634 CAD
£357 GBP
View
A
Retailer 4
-
$644 CAD
$460 USD
View
B+
Retailer 5
-
$679 CAD
$485 USD
View
A
Retailer 6
-
$830 CAD
€565 EUR
View
A
Retailer 7
-
$894 CAD
£503 GBP
View
A
Retailer 8
-
$1,034 CAD
$739 USD
View
A
Retailer 9
-
$1,170 CAD
$836 USD
View
B+
Retailer 10
-
$1,620 CAD
SGD 1,564 SGD
View
B
Retailer 11
-
$1,691 CAD
$1,209 USD
View
B
Retailer 12
-
$2,035 CAD
£1,145 GBP
View
B
Retailer 13
-
$2,077 CAD
$1,484 USD
View
Retailer 14
-
$2,862 CAD
$2,045 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
20573624A · Oct 29
$5,430 CAD
$3,880 USD
View
14 more retailers have this diamond
Prices start from $455 CADSave up to $4,976 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
2.60ct Cushion
$455 CAD