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Cushion|Lab Grown|IGI

1.50ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG818678241

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG818678241

Diamond specifications and retailer prices

From $859 CAD
$615 USD
As of October 30, 2026
Save $3,316 CAD (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,175 CAD at With Clarity · As of October 31, 2026
View at With Clarity

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 LG818678241 or 818678241. Listed at 15 retailers as of October 30, 2026, with prices from $859 to $4,175, a $3,316 spread on the same certified stone. With Clarity lists it at $4,175. 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 angle33.8°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818678241
Dimensions8.26 × 5.85 × 3.84 mm
L/W Ratio1.41
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
8.26 mm5.85 mm1.50 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818678241
Side View
Table 56.0%Crown 33.8°Girdle: MED-STKPavilion 35°Culet: NoneDepth 65.6%

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: Oct 30
Current: $2,215 CAD|Low: $859 CAD|High: $4,175 CAD|Avg: $2,125 CAD
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
With Clarity
October 30, 2026
Retailer 6$859 CAD
Retailer 8$1,008 CAD
Retailer 13$1,037 CAD
Retailer 11$1,138 CAD
Retailer 12$1,252 CAD
Retailer 5$1,274 CAD
Retailer 10$1,433 CAD
Retailer 9$1,513 CAD
Retailer 2$1,634 CAD
Retailer 1$2,215 CAD
Retailer 14$3,061 CAD
Retailer 4$3,084 CAD
Retailer 7$3,222 CAD
Retailer 3$3,974 CAD
With Clarity$4,175 CAD

3 data points across 15 retailers

15 retailers$859 CAD to $4,175 CAD

A
Cheapest Retailer
-
$859 CAD
$615 USD
Final sale: no returns
A
Retailer 2
-
$1,008 CAD
£568 GBP
View
A
Retailer 3
-
$1,037 CAD
HK$5,800 HKD
View
A
Retailer 4
-
$1,138 CAD
$815 USD
View
A
Retailer 5
-
$1,252 CAD
$896 USD
View
A
Retailer 6
-
$1,274 CAD
$912 USD
View
A
Retailer 7
-
$1,433 CAD
€977 EUR
View
A
Retailer 8
-
$1,513 CAD
$1,083 USD
View
A
Retailer 9
-
$1,634 CAD
ZAR 18,893 ZAR
View
B+
Retailer 10
-
$2,215 CAD
A$2,439 AUD
View
B+
Retailer 11
-
$3,061 CAD
$2,191 USD
View
B+
Retailer 12
-
$3,084 CAD
$2,208 USD
View
B
Retailer 13
-
$3,222 CAD
$2,307 USD
View
B
Retailer 14
-
$3,974 CAD
£2,240 GBP
View
Most Expensive
B
With Clarity
818678241 · Oct 31
$4,175 CAD
$2,989 USD
View
14 more retailers have this diamond
Prices start from $859 CADSave up to $3,316 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
$859 CAD