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Cushion|Lab Grown|IGI

1.05ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG816612616

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

Certificate IGI LG816612616

Diamond specifications and retailer prices

From $474 CAD
$339 USD
As of October 30, 2026
Save $2,041 CAD (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,514 CAD at Brilliant Earth · As of October 30, 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816612616 or 816612616. Listed at 13 retailers as of October 30, 2026, with prices from $474 to $2,514, a $2,041 spread on the same certified stone. Brilliant Earth lists it at $2,514. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816612616
Dimensions5.94 × 5.81 × 3.95 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
5.94 mm5.81 mm1.05 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816612616
Side View
Table 59.0%Crown 36.1°Girdle: THN-STKPavilion 40.4°Culet: NoneDepth 68.0%

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 30
Current: $2,514 CAD|Low: $386 CAD|High: $3,017 CAD|Avg: $1,385 CAD|-16.7%
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
October 30, 2026
Retailer 12$474 CAD
Retailer 4$589 CAD
Retailer 13$859 CAD
Retailer 6$861 CAD
Retailer 11$888 CAD
Retailer 10$894 CAD
Retailer 8$904 CAD
Retailer 2$934 CAD
Retailer 3$1,756 CAD
Retailer 5$1,872 CAD
Retailer 7$2,118 CAD
Retailer 9$2,129 CAD
Brilliant Earth$2,514 CAD

37 data points across 13 retailers

13 retailers$474 CAD to $2,514 CAD

A
Cheapest Retailer
-
$474 CAD
$339 USD
Final sale: no returns
A
Retailer 2
-
$589 CAD
$422 USD
View
A
Retailer 3
-
$859 CAD
$615 USD
View
A
Retailer 4
-
$861 CAD
€587 EUR
View
A
Retailer 5
-
$888 CAD
$636 USD
View
A
Retailer 6
-
$894 CAD
$640 USD
View
A
Retailer 7
-
$904 CAD
ZAR 10,449 ZAR
View
A
Retailer 8
-
$934 CAD
£527 GBP
View
B+
Retailer 9
-
$1,756 CAD
$1,257 USD
View
Retailer 10
-
$1,872 CAD
$1,340 USD
View
Price last confirmed 12 days ago
B+
Retailer 11
-
$2,118 CAD
£1,194 GBP
View
B
Retailer 12
-
$2,129 CAD
$1,524 USD
View
Most Expensive
B
Brilliant Earth
21018568A · Oct 30
$2,514 CAD
$1,800 USD
View
12 more retailers have this diamond
Prices start from $474 CADSave up to $2,041 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
$474 CAD