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Cushion|Lab Grown|IGI

1.80ct J VS1 Cushion Lab Grown Diamond

ID • J/VS1 • IGI LG436045211

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

Certificate IGI LG436045211

Diamond specifications and retailer prices

From $1,383 CAD
$990 USD
As of October 30, 2026
Save $4,487 CAD (76%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $9,168 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1.8ct lab-grown cushion diamond

This 1.8ct lab-grown cushion sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG436045211 or 436045211. Listed at 7 retailers as of October 29, 2026, with a 324% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.80
Carat
J
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.9°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436045211
Dimensions7.11 × 7.05 × 4.66 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.11 mm7.05 mm1.80 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436045211
Side View
Table 58.0%Crown 34.9°Girdle: STK-VTKPavilion 38.9°Culet: NoneDepth 66.1%

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: $9,168 CAD|Low: $1,383 CAD|High: $9,241 CAD|Avg: $5,026 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$1,383 CAD
Retailer 6$3,082 CAD
Retailer 4$3,193 CAD
Retailer 7$3,429 CAD
Retailer 8$4,085 CAD
Retailer 5$4,997 CAD
Retailer 3$5,870 CAD
Retailer 9$9,142 CAD
MOH London$9,168 CAD

19 data points across 9 retailers

7 retailers$1,383 CAD to $5,870 CAD

A
Cheapest Retailer
-
$1,383 CAD
$990 USD
B
Retailer 2
-
$3,082 CAD
$2,206 USD
View
Final sale: no returns
Retailer 3
-
$3,193 CAD
$2,286 USD
View
Price last confirmed 20 days ago
B
Retailer 4
-
$3,429 CAD
$2,455 USD
View
B
Retailer 5
-
$4,997 CAD
$3,577 USD
View
B
Retailer 6
-
$5,870 CAD
ZAR 67,882 ZAR
View
Most Expensive
MOH London
LG436045211 · Oct 29
$9,168 CAD
£5,168 GBP
View
Price under review
6 more retailers have this diamond
Prices start from $1,383 CADSave up to $4,487 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
1.80ct Cushion
$1,383 CAD