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Cushion|Lab Grown|IGI

1.03ct I SI1 Cushion Lab Grown Diamond

ID • I/SI1 • IGI LG436045942

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG436045942

Diamond specifications and retailer prices

From $374 CAD
As of November 6, 2026
Save $1,285 CAD (77%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,660 CAD at MOH London · As of November 5, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436045942 or 436045942. Listed at 8 retailers as of November 5, 2026, with prices from $374 to $1,660, a $1,285 spread on the same certified stone. MOH London lists it at $1,660. 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
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436045942
Dimensions5.92 × 5.81 × 3.94 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Top View
5.92 mm5.81 mm1.03 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436045942
Side View
Table 62.0%Crown 34.9°Girdle: MED-THKPavilion 42.1°Culet: NoneDepth 67.8%

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: $1,660 CAD|Low: $371 CAD|High: $1,683 CAD|Avg: $799 CAD|+1.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5$374 CAD
Retailer 8$374 CAD
Retailer 3$415 CAD
Retailer 2$585 CAD
Retailer 4$699 CAD
Retailer 6$741 CAD
Retailer 7$1,407 CAD
MOH London$1,660 CAD

41 data points across 8 retailers

8 retailers$374 CAD to $1,660 CAD

A
Cheapest Retailer
-
$374 CAD
Final sale: no returns
A
Retailer 2
-
$374 CAD
View
Retailer 3
-
$415 CAD
View
Price last confirmed 13 days ago
A
Retailer 4
-
$585 CAD
View
A
Retailer 5
-
$699 CAD
View
A
Retailer 6
-
$741 CAD
View
B+
Retailer 7
-
$1,407 CAD
View
Most Expensive
A
MOH London
436045942 · Nov 5
$1,660 CAD
£929 GBP
View
7 more retailers have this diamond
Prices start from $374 CADSave up to $1,285 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
$374 CAD