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Cushion|Lab Grown|IGI

0.73ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG510163951

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG510163951

Diamond specifications and retailer prices

From $394 CAD
$282 USD
As of October 30, 2026
Save $1,290 CAD (77%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,684 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG510163951 or 510163951. Listed at 4 retailers as of October 25, 2026, with prices from $394 to $1,684, a $1,290 spread on the same certified stone. MOH London lists it at $1,684. 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
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG510163951
Dimensions5.30 × 5.14 × 3.43 mm
L/W Ratio1.03
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
5.30 mm5.14 mm0.73 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG510163951
Side View
Table 60.5%Crown 35.5°Girdle: MED-VTKPavilion 38.8°Culet: NoneDepth 66.7%

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 30
Current: $1,684 CAD|Low: $359 CAD|High: $1,701 CAD|Avg: $873 CAD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 3$394 CAD
Retailer 2$410 CAD
Retailer 4$534 CAD
Retailer 5$866 CAD
Retailer 6$1,118 CAD
Retailer 7$1,118 CAD
MOH London$1,684 CAD

34 data points across 7 retailers

4 retailers$394 CAD to $1,684 CAD

A
Cheapest Retailer
-
$394 CAD
$282 USD
A
Retailer 2
-
$410 CAD
£231 GBP
View
B+
Retailer 3
-
$534 CAD
$382 USD
View
Most Expensive
B
MOH London
LG510163951 · Oct 25
$1,684 CAD
£949 GBP
View
3 more retailers have this diamond
Prices start from $394 CADSave up to $1,290 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
$394 CAD