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Cushion|Lab Grown|IGI

1.03ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG818673728

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG818673728

Diamond specifications and retailer prices

From $203 CAD
As of November 6, 2026
Save $1,723 CAD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,926 CAD at MOH London · As of November 2, 2026
View at MOH London

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG818673728 or 818673728. Listed at 14 retailers as of November 2, 2026, with prices from $203 to $1,926, a $1,723 spread on the same certified stone. MOH London lists it at $1,926. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.03
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818673728
Dimensions6.61 × 5.18 × 3.63 mm
L/W Ratio1.28
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.61 mm5.18 mm1.03 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818673728
Side View
Table 59.0%Crown 35.3°Girdle: MED-THKPavilion 37.1°Culet: NoneDepth 70.1%

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: Nov 6
Current: $1,926 CAD|Low: $203 CAD|High: $1,972 CAD|Avg: $702 CAD|-2.2%
MOH London
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
November 6, 2026
Retailer 8$203 CAD
Retailer 9$290 CAD
Retailer 14$307 CAD
Retailer 13$373 CAD
Retailer 2$404 CAD
Retailer 7$414 CAD
Retailer 3$428 CAD
Retailer 4$580 CAD
Retailer 12$626 CAD
Retailer 6$696 CAD
Retailer 5$703 CAD
Retailer 10$803 CAD
Retailer 11$1,360 CAD
MOH London$1,926 CAD

43 data points across 14 retailers

14 retailers$203 CAD to $1,926 CAD

A
Cheapest Retailer
-
$203 CAD
Final sale: no returns
A
Retailer 2
-
$290 CAD
View
B+
Retailer 3
-
$307 CAD
View
A
Retailer 4
-
$373 CAD
View
A
Retailer 5
-
$404 CAD
View
A
Retailer 6
-
$414 CAD
View
A
Retailer 7
-
$428 CAD
View
A
Retailer 8
-
$580 CAD
View
B+
Retailer 9
-
$626 CAD
View
B+
Retailer 10
-
$696 CAD
View
B+
Retailer 11
-
$703 CAD
View
B+
Retailer 12
-
$803 CAD
View
B
Retailer 13
-
$1,360 CAD
View
Most Expensive
B
MOH London
LG818673728 · Nov 2
$1,926 CAD
£1,078 GBP
View
13 more retailers have this diamond
Prices start from $203 CADSave up to $1,723 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
$203 CAD