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Cushion|Lab Grown|IGI

1.81ct I SI1 Cushion Lab Grown Diamond

ID • I/SI1 • IGI LG436045044

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

Certificate IGI LG436045044

Diamond specifications and retailer prices

From $1,481 CAD
$1,060 USD
As of October 30, 2026
Save $5,766 CAD (80%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $7,247 CAD at MOH London · As of October 29, 2026
View at MOH London

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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436045044 or 436045044. Listed at 6 retailers as of October 29, 2026, with prices from $1,481 to $7,247, a $5,766 spread on the same certified stone. MOH London lists it at $7,247. 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
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436045044
Dimensions7.47 × 7.14 × 4.42 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.47 mm7.14 mm1.81 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436045044
Side View
Table 64.0%Crown 34.1°Girdle: MED-THKPavilion 37.6°Culet: NoneDepth 61.9%

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 30
Current: $7,247 CAD|Low: $1,481 CAD|High: $7,306 CAD|Avg: $3,855 CAD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 2$1,481 CAD
Retailer 5$2,436 CAD
Retailer 3$2,524 CAD
Retailer 6$2,759 CAD
Retailer 9$2,792 CAD
Retailer 7$3,417 CAD
Retailer 4$3,973 CAD
Retailer 8$7,228 CAD
MOH London$7,247 CAD

14 data points across 9 retailers

6 retailers$1,481 CAD to $7,247 CAD

A
Cheapest Retailer
-
$1,481 CAD
$1,060 USD
B+
Retailer 2
-
$2,436 CAD
$1,744 USD
View
Final sale: no returns
Retailer 3
-
$2,524 CAD
$1,807 USD
View
Price last confirmed 19 days ago
B
Retailer 4
-
$2,759 CAD
$1,975 USD
View
B
Retailer 5
-
$3,973 CAD
$2,844 USD
View
Most Expensive
B
MOH London
LG436045044 · Oct 29
$7,247 CAD
£4,085 GBP
View
5 more retailers have this diamond
Prices start from $1,481 CADSave up to $5,766 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
$1,481 CAD