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Cushion|Lab Grown|IGI

1.50ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG657466746

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG657466746

Diamond specifications and retailer prices

From $286 CAD
As of November 6, 2026
Save $1,309 CAD (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,595 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG657466746 or 657466746. Listed at 15 retailers as of November 6, 2026, with prices from $286 to $1,595, a $1,309 spread on the same certified stone. Reve Diamonds lists it at $1,595. 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
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG657466746
Dimensions8.08 × 5.85 × 3.90 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.08 mm5.85 mm1.50 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG657466746
Side View
Table 65.0%Crown 35.5°Girdle: MED-VTKPavilion 36.4°Culet: NoneDepth 66.7%

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: Nov 6
Current: $520 CAD|Low: $286 CAD|High: $1,595 CAD|Avg: $855 CAD|+2.2%
Retailer 1
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
Reve Diamonds
November 6, 2026
Retailer 2$286 CAD
Retailer 7$360 CAD
Retailer 13$407 CAD
Retailer 3$439 CAD
Retailer 1$520 CAD
Retailer 8$563 CAD
Retailer 15$647 CAD
Retailer 5$650 CAD
Retailer 11$775 CAD
Retailer 6$1,038 CAD
Retailer 10$1,069 CAD
Retailer 4$1,092 CAD
Retailer 12$1,280 CAD
Retailer 14$1,307 CAD
Retailer 9$1,473 CAD
Reve Diamonds$1,595 CAD

30 data points across 16 retailers

15 retailers$286 CAD to $1,595 CAD

A
Cheapest Retailer
-
$286 CAD
Final sale: no returns
A
Retailer 2
-
$360 CAD
View
B+
Retailer 3
-
$439 CAD
View
A
Retailer 4
-
$520 CAD
View
A
Retailer 5
-
$563 CAD
View
A
Retailer 6
-
$647 CAD
View
A
Retailer 7
-
$650 CAD
View
B+
Retailer 8
-
$775 CAD
View
B+
Retailer 9
-
$1,038 CAD
View
B+
Retailer 10
-
$1,069 CAD
View
B+
Retailer 11
-
$1,092 CAD
View
B+
Retailer 12
-
$1,280 CAD
View
B
Retailer 13
-
$1,307 CAD
View
B
Retailer 14
-
$1,473 CAD
View
Most Expensive
B
Reve Diamonds
36585FD7B · Nov 6
$1,595 CAD
$1,134 USD
View
14 more retailers have this diamond
Prices start from $286 CADSave up to $1,309 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
$286 CAD