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Cushion|Lab Grown|IGI

1.50ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG825633292

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

Certificate IGI LG825633292

Diamond specifications and retailer prices

From $929 CAD
$665 USD
As of October 30, 2026
Save $5,176 CAD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,104 CAD at Brilliant Earth · As of October 29, 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 LG825633292 or 825633292. Listed at 15 retailers as of October 29, 2026, with prices from $929 to $6,104, a $5,176 spread on the same certified stone. Brilliant Earth lists it at $6,104. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825633292
Dimensions6.67 × 6.56 × 4.20 mm
L/W Ratio1.02
Girdle conditionFaceted
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
6.67 mm6.56 mm1.50 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825633292
Side View
Table 67.0%Crown 33.4°Girdle: MED-THKPavilion 38.6°Culet: NoneDepth 64.0%

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: $6,104 CAD|Low: $929 CAD|High: $6,104 CAD|Avg: $2,639 CAD
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 12$929 CAD
Retailer 11$1,091 CAD
Retailer 8$1,208 CAD
Retailer 4$1,380 CAD
Retailer 5$1,428 CAD
Retailer 6$1,535 CAD
Retailer 2$1,609 CAD
Retailer 14$1,731 CAD
Retailer 9$2,397 CAD
Retailer 10$3,284 CAD
Retailer 7$3,329 CAD
Retailer 13$3,424 CAD
Retailer 3$3,723 CAD
Retailer 15$4,472 CAD
Brilliant Earth$6,104 CAD

41 data points across 15 retailers

15 retailers$929 CAD to $6,104 CAD

A
Cheapest Retailer
-
$929 CAD
$665 USD
Final sale: no returns
A
Retailer 2
-
$1,091 CAD
£615 GBP
View
A
Retailer 3
-
$1,208 CAD
$865 USD
View
A
Retailer 4
-
$1,380 CAD
$988 USD
View
A
Retailer 5
-
$1,428 CAD
$1,022 USD
View
A
Retailer 6
-
$1,535 CAD
$1,099 USD
View
A
Retailer 7
-
$1,609 CAD
£907 GBP
View
A
Retailer 8
-
$1,731 CAD
€1,180 EUR
View
B+
Retailer 9
-
$2,397 CAD
A$2,640 AUD
View
B+
Retailer 10
-
$3,284 CAD
$2,351 USD
View
B+
Retailer 11
-
$3,329 CAD
$2,383 USD
View
B
Retailer 12
-
$3,424 CAD
$2,451 USD
View
Retailer 13
-
$3,723 CAD
$2,665 USD
View
Price last confirmed 12 days ago
B+
Retailer 14
-
$4,472 CAD
£2,521 GBP
View
Most Expensive
B
Brilliant Earth
21322873A · Oct 29
$6,104 CAD
$4,370 USD
View
14 more retailers have this diamond
Prices start from $929 CADSave up to $5,176 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
$929 CAD