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Cushion|Lab Grown|IGI

1.50ct E SI1 Cushion Lab Grown Diamond

EX • E/SI1 • IGI LG784633426

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG784633426

Diamond specifications and retailer prices

From $271 CAD
As of November 6, 2026
Save $1,136 CAD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,408 CAD at MOH London · As of November 5, 2026
View at MOH London

About this 1.5ct lab-grown cushion diamond

This 1.5ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG784633426 or 784633426. Listed at 14 retailers as of November 5, 2026, with prices from $271 to $1,408, a $1,136 spread on the same certified stone. MOH London lists it at $1,408. 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

1.50
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784633426
Dimensions8.04 × 5.87 × 3.75 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.04 mm5.87 mm1.50 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784633426
Side View
Table 60.0%Crown 34.4°Girdle: MED-STKPavilion 36.7°Culet: NoneDepth 63.9%

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: Nov 6
Current: $1,408 CAD|Low: $271 CAD|High: $1,505 CAD|Avg: $792 CAD|-2.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 8$271 CAD
Retailer 6$384 CAD
Retailer 2$499 CAD
Retailer 7$530 CAD
Retailer 9$537 CAD
Retailer 4$570 CAD
Retailer 11$634 CAD
Retailer 5$671 CAD
Retailer 10$767 CAD
Retailer 13$989 CAD
Retailer 3$1,196 CAD
Retailer 12$1,294 CAD
MOH London$1,408 CAD

44 data points across 13 retailers

14 retailers$271 CAD to $1,408 CAD

A
Cheapest Retailer
-
$271 CAD
Final sale: no returns
A
Retailer 2
-
$342 CAD
View
A
Retailer 3
-
$384 CAD
View
A
Retailer 4
-
$499 CAD
View
A
Retailer 5
-
$530 CAD
View
B+
Retailer 6
-
$537 CAD
View
Retailer 7
-
$570 CAD
View
Price last confirmed 23 days ago
A
Retailer 8
-
$634 CAD
View
Retailer 9
-
$671 CAD
View
Price last confirmed 11 days ago
A
Retailer 10
-
$767 CAD
View
B+
Retailer 11
-
$989 CAD
View
Retailer 12
-
$1,196 CAD
View
Price last confirmed 16 days ago
B
Retailer 13
-
$1,294 CAD
View
Most Expensive
B
MOH London
LG784633426 · Nov 5
$1,408 CAD
£788 GBP
View
13 more retailers have this diamond
Prices start from $271 CADSave up to $1,136 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
1.50ct Cushion
$271 CAD