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Cushion|Lab Grown|IGI

1.05ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG665409443

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG665409443

Diamond specifications and retailer prices

From $508 CAD
$363 USD
As of October 28, 2026
Save $1,760 CAD (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,589 CAD at Brilliant Earth · As of October 12, 2026
View at Brilliant Earth

About this 1.05ct lab-grown cushion diamond

This 1.05ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG665409443 or 665409443. Listed at 16 retailers as of October 28, 2026, with a 346% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665409443
Dimensions7.00 × 5.27 × 3.53 mm
L/W Ratio1.33
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
7.00 mm5.27 mm1.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665409443
Side View
Table 59.0%Crown 32.8°Girdle: STK-THKPavilion 37.3°Culet: NoneDepth 67.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $2,589 CAD|Low: $504 CAD|High: $2,589 CAD|Avg: $1,355 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
Retailer 16
October 29, 2026
Retailer 14$508 CAD
Retailer 15$854 CAD
Retailer 3$897 CAD
Retailer 16$900 CAD
Retailer 5$914 CAD
Retailer 9$941 CAD
Retailer 13$967 CAD
Retailer 2$1,006 CAD
Retailer 12$1,367 CAD
Retailer 11$1,431 CAD
Retailer 4$1,463 CAD
Retailer 7$1,872 CAD
Retailer 8$2,087 CAD
Retailer 6$2,226 CAD
Retailer 10$2,268 CAD
Brilliant Earth$2,589 CAD

39 data points across 16 retailers

16 retailers$508 CAD to $2,268 CAD

A
Cheapest Retailer
-
$508 CAD
$363 USD
Final sale: no returns
A
Retailer 2
-
$854 CAD
$610 USD
View
A
Retailer 3
-
$897 CAD
$641 USD
View
A
Retailer 4
-
$900 CAD
$643 USD
View
A
Retailer 5
-
$914 CAD
$653 USD
View
A
Retailer 6
-
$941 CAD
€640 EUR
View
A
Retailer 7
-
$967 CAD
ZAR 11,166 ZAR
View
A
Retailer 8
-
$1,006 CAD
£566 GBP
View
B+
Retailer 9
-
$1,367 CAD
A$1,503 AUD
View
B+
Retailer 10
-
$1,431 CAD
A$1,573 AUD
View
B+
Retailer 11
-
$1,463 CAD
$1,045 USD
View
B+
Retailer 12
-
$1,872 CAD
$1,338 USD
View
B
Retailer 13
-
$2,129 CAD
$1,521 USD
View
B
Retailer 14
-
$2,226 CAD
$1,591 USD
View
B
Retailer 15
-
$2,268 CAD
£1,276 GBP
View
Most Expensive
B
Brilliant Earth
14719488A · Oct 12
$2,589 CAD
$1,850 USD
View
Price last confirmed 17 days ago
15 more retailers have this diamond
Prices start from $508 CADSave up to $1,760 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
1.05ct Cushion
$508 CAD