Cushion|Lab Grown|IGI

1.50ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG786625437

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

Certificate IGI LG786625437

Diamond specifications and retailer prices

From $641 CAD
$459 USD
As of October 30, 2026
Save $5,142 CAD (89%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,783 CAD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG786625437 or 786625437. Listed at 19 retailers as of October 26, 2026, with prices from $641 to $5,783, a $5,142 spread on the same certified stone. Brilliant Earth lists it at $5,783. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle29.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786625437
Dimensions6.68 × 6.31 × 3.89 mm
L/W Ratio1.06
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.68 mm6.31 mm1.50 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786625437
Side View
Table 62.0%Crown 36.2°Girdle: STK-THKPavilion 29.9°Culet: NoneDepth 61.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $5,783 CAD|Low: $641 CAD|High: $6,286 CAD|Avg: $1,991 CAD|+20.3%
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
Retailer 16
Retailer 17
October 31, 2026
Retailer 6$641 CAD
Retailer 8$711 CAD
Retailer 3$1,076 CAD
Retailer 7$1,126 CAD
Retailer 4$1,152 CAD
Retailer 2$1,172 CAD
Retailer 14$1,192 CAD
Retailer 16$1,211 CAD
Retailer 5$1,447 CAD
Retailer 10$1,659 CAD
Retailer 9$2,065 CAD
Retailer 13$2,338 CAD
Retailer 12$2,608 CAD
Retailer 11$2,665 CAD
Retailer 17$2,794 CAD
Retailer 15$3,625 CAD
Brilliant Earth$5,783 CAD

43 data points across 17 retailers

19 retailers$641 CAD to $5,783 CAD

A
Cheapest Retailer
-
$641 CAD
$459 USD
Final sale: no returns
Retailer 2
-
$711 CAD
$509 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
$1,076 CAD
$770 USD
View
A
Retailer 4
-
$1,126 CAD
$806 USD
View
Retailer 5
-
$1,152 CAD
$825 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$1,172 CAD
£660 GBP
View
A
Retailer 7
-
$1,192 CAD
€813 EUR
View
Retailer 8
-
$1,211 CAD
ZAR 14,008 ZAR
View
Price last confirmed 12 days ago
A
Retailer 9
-
$1,442 CAD
A$1,588 AUD
View
A
Retailer 10
-
$1,447 CAD
$1,036 USD
View
A
Retailer 11
-
$1,659 CAD
A$1,827 AUD
View
Retailer 12
-
$2,065 CAD
£1,164 GBP
View
Price last confirmed 9 days ago
B+
Retailer 13
-
$2,338 CAD
$1,673 USD
View
B+
Retailer 14
-
$2,478 CAD
$1,774 USD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
$2,608 CAD
$1,867 USD
View
B+
Retailer 16
-
$2,665 CAD
$1,908 USD
View
Retailer 17
-
$2,794 CAD
£1,575 GBP
View
Price last confirmed 10 days ago
Retailer 18
-
$3,625 CAD
$2,595 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
20914900A · Oct 26
$5,783 CAD
$4,140 USD
View
18 more retailers have this diamond
Prices start from $641 CADSave up to $5,142 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
$641 CAD