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Cushion|Lab Grown|IGI

1.03ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG818662845

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

Certificate IGI LG818662845

Diamond specifications and retailer prices

From $504 CAD
$360 USD
As of October 28, 2026
Save $2,547 CAD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,051 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.03ct lab-grown cushion diamond

This 1.03ct 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 LG818662845 or 818662845. Listed at 15 retailers as of October 28, 2026, with prices from $504 to $3,051, a $2,547 spread on the same certified stone. Brilliant Earth lists it at $3,051. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818662845
Dimensions6.09 × 6.09 × 3.81 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
6.09 mm6.09 mm1.03 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818662845
Side View
Table 60.0%Crown 34.6°Girdle: MediumPavilion 39.1°Culet: NoneDepth 62.6%

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 28
Current: $3,051 CAD|Low: $504 CAD|High: $3,051 CAD|Avg: $1,323 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
October 29, 2026
Retailer 15$504 CAD
Retailer 10$593 CAD
Retailer 7$624 CAD
Retailer 13$777 CAD
Retailer 14$871 CAD
Retailer 3$904 CAD
Retailer 8$910 CAD
Retailer 11$958 CAD
Retailer 2$995 CAD
Retailer 5$997 CAD
Retailer 6$1,840 CAD
Retailer 4$1,855 CAD
Retailer 12$2,212 CAD
Retailer 9$2,247 CAD
Brilliant Earth$3,051 CAD

37 data points across 15 retailers

15 retailers$504 CAD to $3,051 CAD

A
Cheapest Retailer
-
$504 CAD
$360 USD
Final sale: no returns
A
Retailer 2
-
$593 CAD
£334 GBP
View
A
Retailer 3
-
$624 CAD
$446 USD
View
Price last confirmed 17 days ago
A
Retailer 4
-
$777 CAD
$555 USD
View
A
Retailer 5
-
$871 CAD
$622 USD
View
A
Retailer 6
-
$904 CAD
$646 USD
View
A
Retailer 7
-
$910 CAD
€619 EUR
View
A
Retailer 8
-
$958 CAD
ZAR 11,058 ZAR
View
A
Retailer 9
-
$995 CAD
£560 GBP
View
A
Retailer 10
-
$997 CAD
$712 USD
View
B+
Retailer 11
-
$1,840 CAD
$1,315 USD
View
Price last confirmed 10 days ago
B+
Retailer 12
-
$1,855 CAD
$1,326 USD
View
B+
Retailer 13
-
$2,212 CAD
$1,581 USD
View
B+
Retailer 14
-
$2,247 CAD
£1,264 GBP
View
Most Expensive
B
Brilliant Earth
21242374A · Oct 29
$3,051 CAD
$2,180 USD
View
14 more retailers have this diamond
Prices start from $504 CADSave up to $2,547 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
1.03ct Cushion
$504 CAD