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Cushion|Lab Grown|IGI

1.31ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG776609771

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG776609771

Diamond specifications and retailer prices

From $806 CAD
$577 USD
As of October 30, 2026
Save $3,035 CAD (79%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,841 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG776609771 or 776609771. Listed at 18 retailers as of October 30, 2026, with prices from $806 to $3,841, a $3,035 spread on the same certified stone. Brilliant Earth lists it at $3,841. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776609771
Dimensions7.51 × 5.71 × 3.94 mm
L/W Ratio1.32
Girdle conditionFaceted
Culet sizePointed
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
7.51 mm5.71 mm1.31 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776609771
Side View
Table 60.0%Crown 35.1°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 69.0%

Caratlytics Score

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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: $3,841 CAD|Low: $806 CAD|High: $4,191 CAD|Avg: $1,990 CAD|-5.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 30, 2026
Retailer 17$806 CAD
Retailer 10$940 CAD
Retailer 16$983 CAD
Retailer 14$1,034 CAD
Retailer 3$1,190 CAD
Retailer 4$1,362 CAD
Retailer 12$1,370 CAD
Retailer 11$1,383 CAD
Retailer 6$1,384 CAD
Retailer 13$1,534 CAD
Retailer 2$2,176 CAD
Retailer 9$2,591 CAD
Retailer 18$2,597 CAD
Retailer 8$2,827 CAD
Retailer 5$2,904 CAD
Retailer 7$3,073 CAD
Retailer 15$3,731 CAD
Brilliant Earth$3,841 CAD

39 data points across 18 retailers

18 retailers$806 CAD to $3,841 CAD

A
Cheapest Retailer
-
$806 CAD
$577 USD
Final sale: no returns
Retailer 2
-
$940 CAD
$673 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
$983 CAD
HK$5,500 HKD
View
A
Retailer 4
-
$1,034 CAD
$740 USD
View
A
Retailer 5
-
$1,190 CAD
$852 USD
View
A
Retailer 6
-
$1,362 CAD
$975 USD
View
A
Retailer 7
-
$1,370 CAD
€934 EUR
View
A
Retailer 8
-
$1,383 CAD
£779 GBP
View
A
Retailer 9
-
$1,384 CAD
$991 USD
View
A
Retailer 10
-
$1,534 CAD
ZAR 17,741 ZAR
View
B+
Retailer 11
-
$2,176 CAD
A$2,396 AUD
View
Retailer 12
-
$2,591 CAD
$1,855 USD
View
Price last confirmed 12 days ago
B
Retailer 13
-
$2,597 CAD
£1,464 GBP
View
B
Retailer 14
-
$2,827 CAD
SGD 2,735 SGD
View
B
Retailer 15
-
$2,904 CAD
$2,079 USD
View
B
Retailer 16
-
$3,073 CAD
$2,200 USD
View
B
Retailer 17
-
$3,731 CAD
£2,103 GBP
View
Most Expensive
B
Brilliant Earth
19077250A · Oct 30
$3,841 CAD
$2,750 USD
View
17 more retailers have this diamond
Prices start from $806 CADSave up to $3,035 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
$806 CAD