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Cushion|Lab Grown|IGI

1.09ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG801694817

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG801694817

Diamond specifications and retailer prices

From $742 CAD
$530 USD
As of October 29, 2026
Save $3,191 CAD (81%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $3,933 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.09ct lab-grown cushion diamond

This 1.09ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG801694817 or 801694817. Listed at 7 retailers as of October 29, 2026, with prices from $742 to $3,933, a $3,191 spread on the same certified stone. Brilliant Earth lists it at $3,933. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801694817
Dimensions6.75 × 5.49 × 3.82 mm
L/W Ratio1.23
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.75 mm5.49 mm1.09 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801694817
Side View
Table 59.0%Crown 34.2°Girdle: MED-THKPavilion 38.4°Culet: NoneDepth 69.6%

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 29
Current: $3,933 CAD|Low: $722 CAD|High: $4,087 CAD|Avg: $2,116 CAD|-2.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 7$742 CAD
Retailer 4$749 CAD
Retailer 6$871 CAD
Retailer 2$1,004 CAD
Retailer 3$2,371 CAD
Retailer 8$2,802 CAD
Retailer 5$3,821 CAD
Brilliant Earth$3,933 CAD

21 data points across 8 retailers

7 retailers$742 CAD to $3,933 CAD

A
Cheapest Retailer
-
$742 CAD
$530 USD
A
Retailer 2
-
$749 CAD
$535 USD
View
A
Retailer 3
-
$871 CAD
$622 USD
View
A
Retailer 4
-
$1,004 CAD
€683 EUR
View
B+
Retailer 5
-
$2,371 CAD
£1,334 GBP
View
B
Retailer 6
-
$3,821 CAD
$2,730 USD
View
Most Expensive
B
Brilliant Earth
21014039Y · Oct 29
$3,933 CAD
$2,810 USD
View
6 more retailers have this diamond
Prices start from $742 CADSave up to $3,191 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
$742 CAD