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Cushion|Lab Grown|IGI

1.05ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG816610575

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

Certificate IGI LG816610575

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)
14 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 LG816610575 or 816610575. Listed at 14 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 angle35.8°
Pavilion angle42.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816610575
Dimensions5.85 × 5.84 × 4.06 mm
L/W Ratio1.00
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
5.85 mm5.84 mm1.05 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816610575
Side View
Table 63.0%Crown 35.8°Girdle: MED-STKPavilion 42.7°Culet: NoneDepth 69.5%

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: $474 CAD|High: $2,975 CAD|Avg: $1,333 CAD|-15.5%
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
October 30, 2026
Retailer 13$474 CAD
Retailer 2$558 CAD
Retailer 6$589 CAD
Retailer 3$859 CAD
Retailer 8$861 CAD
Retailer 12$888 CAD
Retailer 11$894 CAD
Retailer 9$904 CAD
Retailer 7$934 CAD
Retailer 4$1,756 CAD
Retailer 5$1,872 CAD
Retailer 14$2,109 CAD
Retailer 10$2,129 CAD
Brilliant Earth$2,514 CAD

38 data points across 14 retailers

14 retailers$474 CAD to $2,514 CAD

A
Cheapest Retailer
-
$474 CAD
$339 USD
Final sale: no returns
A
Retailer 2
-
$558 CAD
£314 GBP
View
Retailer 3
-
$589 CAD
$422 USD
View
Price last confirmed 18 days ago
A
Retailer 4
-
$859 CAD
$615 USD
View
A
Retailer 5
-
$861 CAD
€587 EUR
View
A
Retailer 6
-
$888 CAD
$636 USD
View
A
Retailer 7
-
$894 CAD
$640 USD
View
A
Retailer 8
-
$904 CAD
ZAR 10,449 ZAR
View
A
Retailer 9
-
$934 CAD
£527 GBP
View
B+
Retailer 10
-
$1,756 CAD
$1,257 USD
View
Retailer 11
-
$1,872 CAD
$1,340 USD
View
Price last confirmed 12 days ago
B
Retailer 12
-
$2,109 CAD
£1,189 GBP
View
B
Retailer 13
-
$2,129 CAD
$1,524 USD
View
Most Expensive
B
Brilliant Earth
21019001A · Oct 30
$2,514 CAD
$1,800 USD
View
13 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