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Cushion|Lab Grown|IGI

1.31ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG595360309

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG595360309

Diamond specifications and retailer prices

From $389 CAD
As of November 4, 2026
Save $1,268 CAD (77%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,656 CAD at Flawless Fine Jewelry · As of November 4, 2026
View at Flawless Fine Jewelry

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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG595360309 or 595360309. Listed at 12 retailers as of November 4, 2026, with prices from $389 to $1,656, a $1,268 spread on the same certified stone. Flawless Fine Jewelry lists it at $1,656. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG595360309
Dimensions6.41 × 6.32 × 4.19 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.41 mm6.32 mm1.31 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG595360309
Side View
Table 62.0%Crown 36.5°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 66.3%

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: Nov 4
Current: $1,656 CAD|Low: $318 CAD|High: $1,656 CAD|Avg: $810 CAD
Flawless Fine Jewelry
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 7$318 CAD
Retailer 4$389 CAD
Retailer 6$549 CAD
Retailer 8$560 CAD
Retailer 2$570 CAD
Retailer 9$571 CAD
Retailer 10$667 CAD
Retailer 5$776 CAD
Retailer 3$1,484 CAD
Flawless Fine Jewelry$1,656 CAD

44 data points across 10 retailers

12 retailers$389 CAD to $1,656 CAD

Retailer 1
-
$318 CAD
Price last confirmed 11 days ago
A
Retailer 2
-
$389 CAD
View
A
Retailer 3
-
$549 CAD
View
A
Retailer 4
-
$560 CAD
View
A
Retailer 5
-
$570 CAD
View
Retailer 6
-
$571 CAD
View
Price last confirmed 12 days ago
A
Retailer 7
-
$667 CAD
View
A
Retailer 8
-
$694 CAD
View
A
Retailer 9
-
$776 CAD
View
B+
Retailer 10
-
$1,098 CAD
View
B
Retailer 11
-
$1,484 CAD
View
Most Expensive
B
Flawless Fine Jewelry
AC526EA9B · Nov 4
$1,656 CAD
£936 GBP
View
11 more retailers have this diamond
Prices start from $389 CADSave up to $1,268 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
$389 CAD