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Cushion|Lab Grown|IGI

1.05ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG833671683

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG833671683

Diamond specifications and retailer prices

From $201 CAD
As of November 6, 2026
Save $1,657 CAD (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,858 CAD at MOH London · As of November 5, 2026
View at MOH London

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG833671683 or 833671683. Listed at 12 retailers as of November 5, 2026, with prices from $201 to $1,858, a $1,657 spread on the same certified stone. MOH London lists it at $1,858. 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

1.05
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.4°
Pavilion angle29.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833671683
Dimensions7.29 × 5.26 × 3.18 mm
L/W Ratio1.39
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.29 mm5.26 mm1.05 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG833671683
Side View
Table 61.0%Crown 34.4°Girdle: MED-THKPavilion 29.6°Culet: NoneDepth 60.5%

Caratlytics Score

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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: Nov 6
Current: $1,858 CAD|Low: $201 CAD|High: $1,933 CAD|Avg: $570 CAD|-2.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 6$201 CAD
Retailer 12$252 CAD
Retailer 2$287 CAD
Retailer 5$369 CAD
Retailer 10$390 CAD
Retailer 7$423 CAD
Retailer 8$425 CAD
Retailer 4$437 CAD
Retailer 9$558 CAD
Retailer 11$620 CAD
Retailer 3$710 CAD
MOH London$1,858 CAD

40 data points across 12 retailers

12 retailers$201 CAD to $1,858 CAD

A
Cheapest Retailer
-
$201 CAD
Final sale: no returns
A
Retailer 2
-
$252 CAD
View
A
Retailer 3
-
$287 CAD
View
A
Retailer 4
-
$369 CAD
View
A
Retailer 5
-
$390 CAD
View
A
Retailer 6
-
$423 CAD
View
B+
Retailer 7
-
$425 CAD
View
Retailer 8
-
$437 CAD
View
Price last confirmed 13 days ago
A
Retailer 9
-
$558 CAD
View
B+
Retailer 10
-
$620 CAD
View
Retailer 11
-
$710 CAD
View
Price last confirmed 10 days ago
Most Expensive
B
MOH London
LG833671683 · Nov 5
$1,858 CAD
£1,040 GBP
View
11 more retailers have this diamond
Prices start from $201 CADSave up to $1,657 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
$201 CAD