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Cushion|Lab Grown|IGI

1.50ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG836616360

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG836616360

Diamond specifications and retailer prices

From $628 CAD
£354 GBP
As of October 30, 2026
Save $2,753 CAD (81%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,380 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836616360 or 836616360. Listed at 17 retailers as of October 30, 2026, with prices from $628 to $3,380, a $2,753 spread on the same certified stone. Brilliant Earth lists it at $3,380. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle32°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836616360
Dimensions8.51 × 5.81 × 3.70 mm
L/W Ratio1.46
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
8.51 mm5.81 mm1.50 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836616360
Side View
Table 61.0%Crown 35°Girdle: STK-THKPavilion 32°Culet: NoneDepth 63.7%

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: Oct 30
Current: $3,380 CAD|Low: $625 CAD|High: $3,995 CAD|Avg: $1,872 CAD|-15.4%
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 11$628 CAD
Retailer 17$922 CAD
Retailer 3$962 CAD
Retailer 5$976 CAD
Retailer 16$1,044 CAD
Retailer 12$1,093 CAD
Retailer 13$1,219 CAD
Retailer 15$1,410 CAD
Retailer 6$1,428 CAD
Retailer 2$1,507 CAD
Retailer 7$2,012 CAD
Retailer 14$2,388 CAD
Retailer 9$2,518 CAD
Retailer 10$2,785 CAD
Retailer 8$3,344 CAD
Retailer 4$3,346 CAD
Brilliant Earth$3,380 CAD

12 data points across 17 retailers

17 retailers$628 CAD to $3,380 CAD

A
Cheapest Retailer
-
$628 CAD
£354 GBP
A
Retailer 2
-
$922 CAD
$660 USD
View
A
Retailer 3
-
$962 CAD
$689 USD
View
A
Retailer 4
-
$976 CAD
$699 USD
View
A
Retailer 5
-
$1,044 CAD
ZAR 12,076 ZAR
View
A
Retailer 6
-
$1,093 CAD
£616 GBP
View
A
Retailer 7
-
$1,219 CAD
€831 EUR
View
A
Retailer 8
-
$1,410 CAD
A$1,553 AUD
View
A
Retailer 9
-
$1,428 CAD
$1,022 USD
View
A
Retailer 10
-
$1,507 CAD
$1,079 USD
View
B+
Retailer 11
-
$2,012 CAD
$1,440 USD
View
B+
Retailer 12
-
$2,388 CAD
£1,346 GBP
View
B+
Retailer 13
-
$2,518 CAD
SGD 2,436 SGD
View
B+
Retailer 14
-
$2,785 CAD
$1,994 USD
View
B
Retailer 15
-
$3,344 CAD
$2,394 USD
View
Retailer 16
-
$3,346 CAD
$2,395 USD
View
Price last confirmed 9 days ago
Most Expensive
B+
Brilliant Earth
22192118A · Oct 30
$3,380 CAD
$2,420 USD
View
16 more retailers have this diamond
Prices start from $628 CADSave up to $2,753 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
$628 CAD