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Cushion|Lab Grown|IGI

1.09ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG840658745

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840658745

Diamond specifications and retailer prices

From $378 CAD
$270 USD
As of October 28, 2026
Save $451 CAD (54%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,903 CAD at Rare Carat · As of October 19, 2026
View at Rare Carat

About this 1.09ct lab-grown cushion diamond

This 1.09ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840658745 or 840658745. Listed at 3 retailers as of October 28, 2026, with a 119% 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

1.09
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840658745
Dimensions7.24 × 5.33 × 3.58 mm
L/W Ratio1.36
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.24 mm5.33 mm1.09 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840658745
Side View
Table 59.0%Crown 36.2°Girdle: MED-THKPavilion 35.5°Culet: NoneDepth 67.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: $1,903 CAD|Low: $378 CAD|High: $1,917 CAD|Avg: $1,200 CAD|-0.7%
Rare Carat
Retailer 2
Retailer 3
October 30, 2026
Retailer 3$378 CAD
Retailer 2$828 CAD
Rare Carat$1,903 CAD

26 data points across 3 retailers

3 retailers$378 CAD to $828 CAD

A
Cheapest Retailer
-
$378 CAD
$270 USD
Final sale: no returns
A
Retailer 2
-
$828 CAD
£466 GBP
View
Most Expensive
Rare Carat
840658745 · Oct 19
$1,903 CAD
$1,360 USD
View
Price last confirmed 11 days ago
2 more retailers have this diamond
Prices start from $378 CADSave up to $451 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
1.09ct Cushion
$378 CAD