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Cushion|Lab Grown|IGI

1.50ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG547267416

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG547267416

Diamond specifications and retailer prices

From $290 CAD
As of November 6, 2026
Save $1,320 CAD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,610 CAD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

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 LG547267416 or 547267416. Listed at 12 retailers as of November 6, 2026, with prices from $290 to $1,610, a $1,320 spread on the same certified stone. Reve Diamonds lists it at $1,610. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle31.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG547267416
Dimensions6.52 × 6.36 × 4.01 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.52 mm6.36 mm1.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG547267416
Side View
Table 65.0%Crown 34.7°Girdle: THK-ETKPavilion 31.2°Culet: NoneDepth 63.1%

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: $527 CAD|Low: $290 CAD|High: $2,391 CAD|Avg: $830 CAD|-5.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 9$290 CAD
Retailer 7$436 CAD
Retailer 1$527 CAD
Retailer 2$574 CAD
Retailer 4$640 CAD
Retailer 3$767 CAD
Retailer 8$791 CAD
Retailer 5$1,266 CAD
Retailer 6$1,512 CAD

41 data points across 9 retailers

12 retailers$290 CAD to $1,610 CAD

A
Cheapest Retailer
-
$290 CAD
Final sale: no returns
B+
Retailer 2
-
$436 CAD
View
A
Retailer 3
-
$527 CAD
View
A
Retailer 4
-
$574 CAD
View
A
Retailer 5
-
$626 CAD
View
A
Retailer 6
-
$640 CAD
View
A
Retailer 7
-
$767 CAD
View
B+
Retailer 8
-
$791 CAD
View
B
Retailer 9
-
$1,111 CAD
View
B+
Retailer 10
-
$1,266 CAD
View
Retailer 11
-
$1,512 CAD
View
Price last confirmed 8 days ago
Most Expensive
B
Reve Diamonds
B2A6A27A2 · Nov 6
$1,610 CAD
$1,145 USD
View
11 more retailers have this diamond
Prices start from $290 CADSave up to $1,320 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
$290 CAD