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Cushion|Lab Grown|IGI

1.59ct G SI2 Cushion Lab Grown Diamond

ID • G/SI2 • IGI LG528233939

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

Certificate IGI LG528233939

Diamond specifications and retailer prices

From $719 CAD
$515 USD
As of October 30, 2026
Save $1,184 CAD (62%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,904 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1.59ct lab-grown cushion diamond

This 1.59ct lab-grown cushion sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG528233939 or 528233939. Listed at 5 retailers as of October 29, 2026, with prices from $719 to $1,904, a $1,184 spread on the same certified stone. MOH London lists it at $1,904. 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

1.59
Carat
G
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG528233939
Dimensions6.62 × 6.54 × 4.54 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.62 mm6.54 mm1.59 ctG / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG528233939
Side View
Table 62.0%Crown 34.5°Girdle: STK-VTKPavilion 39.9°Culet: NoneDepth 69.4%

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: $1,904 CAD|Low: $555 CAD|High: $1,904 CAD|Avg: $1,138 CAD|+27.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 3$719 CAD
Retailer 2$831 CAD
Retailer 4$1,168 CAD
Retailer 5$1,510 CAD
MOH London$1,904 CAD

35 data points across 5 retailers

5 retailers$719 CAD to $1,904 CAD

A
Cheapest Retailer
-
$719 CAD
$515 USD
B+
Retailer 2
-
$831 CAD
£468 GBP
View
B+
Retailer 3
-
$1,168 CAD
$836 USD
View
B
Retailer 4
-
$1,510 CAD
$1,081 USD
View
Most Expensive
B
MOH London
LG528233939 · Oct 29
$1,904 CAD
£1,073 GBP
View
4 more retailers have this diamond
Prices start from $719 CADSave up to $1,184 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
1.59ct Cushion
$719 CAD