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Cushion|Lab Grown|IGI

0.73ct E SI1 Cushion Lab Grown Diamond

GD • E/SI1 • IGI LG559281522

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG559281522

Diamond specifications and retailer prices

From $343 CAD
$245 USD
As of October 28, 2026
Save $1,641 CAD (83%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,984 CAD at MOH London · As of October 25, 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 standard cut grade and certified by IGI LG559281522 or 559281522. Listed at 7 retailers as of October 25, 2026, with prices from $343 to $1,984, a $1,641 spread on the same certified stone. MOH London lists it at $1,984. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.73
Carat
E
Color
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG559281522
Dimensions5.70 × 4.75 × 3.23 mm
L/W Ratio1.20
Girdle conditionFaceted
Culet sizePointed
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
5.70 mm4.75 mm0.73 ctE / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG559281522
Side View
Table 58.0%Crown 32.3°Girdle: MED-THKPavilion 38.3°Culet: NoneDepth 68.0%

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: Oct 28
Current: $1,984 CAD|Low: $238 CAD|High: $2,005 CAD|Avg: $651 CAD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 5$238 CAD
Retailer 4$343 CAD
Retailer 2$402 CAD
Retailer 7$444 CAD
Retailer 3$517 CAD
Retailer 6$670 CAD
MOH London$1,984 CAD

25 data points across 7 retailers

7 retailers$343 CAD to $1,984 CAD

A
Retailer 1
-
$238 CAD
$170 USD
Price last confirmed 13 days ago
B+
Retailer 2
-
$343 CAD
$245 USD
View
B+
Retailer 3
-
$402 CAD
£226 GBP
View
B+
Retailer 4
-
$444 CAD
$317 USD
View
B+
Retailer 5
-
$517 CAD
£291 GBP
View
B
Retailer 6
-
$670 CAD
$479 USD
View
Most Expensive
B
MOH London
LG559281522 · Oct 25
$1,984 CAD
£1,116 GBP
View
6 more retailers have this diamond
Prices start from $343 CADSave up to $1,641 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
$343 CAD