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Cushion|Lab Grown|IGI

1.31ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG846663203

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG846663203

Diamond specifications and retailer prices

From $735 CAD
£414 GBP
As of October 30, 2026
Save $2,841 CAD (79%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,576 CAD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.31ct lab-grown cushion diamond

This 1.31ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846663203 or 846663203. Listed at 8 retailers as of October 30, 2026, with prices from $735 to $3,576, a $2,841 spread on the same certified stone. Brilliant Earth lists it at $3,576. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846663203
Dimensions8.15 × 5.36 × 3.75 mm
L/W Ratio1.52
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
8.15 mm5.36 mm1.31 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846663203
Side View
Table 58.0%Crown 31°Girdle: STK-THKPavilion 36.9°Culet: NoneDepth 70.0%

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 30
Current: $3,576 CAD|Low: $735 CAD|High: $3,576 CAD|Avg: $1,661 CAD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 4$735 CAD
Retailer 8$985 CAD
Retailer 3$1,126 CAD
Retailer 2$1,356 CAD
Retailer 6$1,386 CAD
Retailer 5$2,471 CAD
Retailer 7$2,911 CAD
Brilliant Earth$3,576 CAD

6 data points across 8 retailers

8 retailers$735 CAD to $3,576 CAD

A
Cheapest Retailer
-
$735 CAD
£414 GBP
A
Retailer 2
-
$985 CAD
$705 USD
View
A
Retailer 3
-
$1,126 CAD
$806 USD
View
A
Retailer 4
-
$1,356 CAD
$971 USD
View
A
Retailer 5
-
$1,386 CAD
€945 EUR
View
B+
Retailer 6
-
$2,471 CAD
$1,769 USD
View
B
Retailer 7
-
$2,911 CAD
£1,641 GBP
View
Most Expensive
B
Brilliant Earth
22305438A · Oct 30
$3,576 CAD
$2,560 USD
View
7 more retailers have this diamond
Prices start from $735 CADSave up to $2,841 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
1.31ct Cushion
$735 CAD