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Cushion|Lab Grown|IGI

1.81ct D SI2 Cushion Lab Grown Diamond

ID • D/SI2 • IGI LG719519152

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

Certificate IGI LG719519152

Diamond specifications and retailer prices

From $333 CAD
As of November 7, 2026
Save $1,741 CAD (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,074 CAD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.81ct lab-grown cushion diamond

This 1.81ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG719519152 or 719519152. Listed at 12 retailers as of November 5, 2026, with prices from $333 to $2,074, a $1,741 spread on the same certified stone. Diamond Quarter lists it at $2,074. 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

1.81
Carat
D
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle28.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG719519152
Dimensions6.71 × 6.54 × 4.40 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.71 mm6.54 mm1.81 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG719519152
Side View
Table 66.0%Crown 36.7°Girdle: MED-VTKPavilion 28.3°Culet: NoneDepth 67.3%

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: Nov 7
Current: $333 CAD|Low: $301 CAD|High: $2,841 CAD|Avg: $942 CAD|-3.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 1$333 CAD
Retailer 11$335 CAD
Retailer 3$453 CAD
Retailer 6$557 CAD
Retailer 5$603 CAD
Retailer 2$819 CAD
Retailer 10$820 CAD
Retailer 7$871 CAD
Retailer 4$1,557 CAD
Retailer 9$1,632 CAD
Retailer 8$1,983 CAD

44 data points across 11 retailers

12 retailers$333 CAD to $2,074 CAD

A
Cheapest Retailer
-
$333 CAD
Final sale: no returns
A
Retailer 2
-
$335 CAD
View
B+
Retailer 3
-
$453 CAD
View
A
Retailer 4
-
$557 CAD
View
A
Retailer 5
-
$603 CAD
View
A
Retailer 6
-
$819 CAD
View
A
Retailer 7
-
$820 CAD
View
B+
Retailer 8
-
$871 CAD
View
B+
Retailer 9
-
$1,557 CAD
View
B
Retailer 10
-
$1,632 CAD
View
B
Retailer 11
-
$1,983 CAD
View
Most Expensive
B
Diamond Quarter
1.81SI2DLG595B42N · Nov 5
$2,074 CAD
£1,161 GBP
View
11 more retailers have this diamond
Prices start from $333 CADSave up to $1,741 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
1.81ct Cushion
$333 CAD