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Cushion|Lab Grown|IGI

0.73ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG468186868

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG468186868

Diamond specifications and retailer prices

From $388 CAD
$277 USD
As of October 28, 2026
Save $1,272 CAD (77%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,660 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 0.73ct lab-grown cushion diamond

This 0.73ct lab-grown cushion sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG468186868 or 468186868. Listed at 3 retailers as of October 28, 2026, with prices from $388 to $1,660, a $1,272 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

0.73
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle43°
OriginLab Grown
Grading LabIGI
CertificateIGI LG468186868
Dimensions5.32 × 5.28 × 3.59 mm
L/W Ratio1.01
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.
Top View
5.32 mm5.28 mm0.73 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG468186868
Side View
Table 59.5%Crown 34.5°Girdle: THN-THKPavilion 43°Culet: NoneDepth 68.0%

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: $1,660 CAD|Low: $269 CAD|High: $1,673 CAD|Avg: $896 CAD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 3$388 CAD
Retailer 2$400 CAD
Retailer 4$952 CAD
Retailer 5$1,008 CAD
Retailer 6$1,008 CAD
MOH London$1,660 CAD

33 data points across 6 retailers

3 retailers$388 CAD to $1,660 CAD

A
Cheapest Retailer
-
$388 CAD
$277 USD
A
Retailer 2
-
$400 CAD
£225 GBP
View
Most Expensive
B
MOH London
LG468186868 · Oct 29
$1,660 CAD
£934 GBP
View
2 more retailers have this diamond
Prices start from $388 CADSave up to $1,272 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
0.73ct Cushion
$388 CAD