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Cushion|Lab Grown|IGI

1.50ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG756588182

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

Certificate IGI LG756588182

Diamond specifications and retailer prices

From $495 CAD
$354 USD
As of October 30, 2026
Save $3,431 CAD (87%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,925 CAD at Brilliant Earth · As of October 30, 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 LG756588182 or 756588182. Listed at 15 retailers as of October 30, 2026, with prices from $495 to $3,925, a $3,431 spread on the same certified stone. Brilliant Earth lists it at $3,925. 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 angle34.4°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG756588182
Dimensions6.57 × 6.39 × 4.22 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
6.57 mm6.39 mm1.50 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG756588182
Side View
Table 64.0%Crown 34.4°Girdle: STK-THKPavilion 38.2°Culet: NoneDepth 66.0%

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 30
Current: $3,925 CAD|Low: $400 CAD|High: $4,791 CAD|Avg: $1,835 CAD|-18.1%
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 31, 2026
Retailer 14$495 CAD
Retailer 9$630 CAD
Retailer 3$691 CAD
Retailer 6$750 CAD
Retailer 5$791 CAD
Retailer 10$898 CAD
Retailer 2$1,009 CAD
Retailer 11$1,377 CAD
Retailer 8$1,477 CAD
Retailer 7$1,804 CAD
Retailer 13$2,079 CAD
Retailer 15$2,461 CAD
Retailer 4$3,471 CAD
Retailer 12$3,855 CAD
Brilliant Earth$3,925 CAD

41 data points across 15 retailers

15 retailers$495 CAD to $3,925 CAD

A
Cheapest Retailer
-
$495 CAD
$354 USD
Final sale: no returns
A
Retailer 2
-
$630 CAD
£355 GBP
View
A
Retailer 3
-
$691 CAD
$495 USD
View
A
Retailer 4
-
$750 CAD
$537 USD
View
A
Retailer 5
-
$791 CAD
$566 USD
View
A
Retailer 6
-
$898 CAD
$643 USD
View
A
Retailer 7
-
$1,009 CAD
€688 EUR
View
A
Retailer 8
-
$1,377 CAD
A$1,517 AUD
View
A
Retailer 9
-
$1,477 CAD
$1,057 USD
View
A
Retailer 10
-
$1,804 CAD
$1,292 USD
View
B+
Retailer 11
-
$2,079 CAD
$1,488 USD
View
B+
Retailer 12
-
$2,461 CAD
£1,387 GBP
View
Retailer 13
-
$3,471 CAD
$2,485 USD
View
Price last confirmed 12 days ago
B
Retailer 14
-
$3,855 CAD
$2,760 USD
View
Most Expensive
B
Brilliant Earth
21411913Y · Oct 30
$3,925 CAD
$2,810 USD
View
14 more retailers have this diamond
Prices start from $495 CADSave up to $3,431 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
$495 CAD