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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 $357 SGD
As of November 4, 2026
Save $1,163 SGD (77%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,519 SGD 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 $357 to $1,519, a $1,163 spread on the same certified stone. Flawless Fine Jewelry lists it at $1,519. 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
Colour
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

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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: Nov 4
Current: $1,519 SGD|Low: $291 SGD|High: $1,519 SGD|Avg: $743 SGD
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$291 SGD
Retailer 4$357 SGD
Retailer 6$503 SGD
Retailer 8$514 SGD
Retailer 2$523 SGD
Retailer 9$524 SGD
Retailer 10$612 SGD
Retailer 5$712 SGD
Retailer 3$1,361 SGD
Flawless Fine Jewelry$1,519 SGD

44 data points across 10 retailers

12 retailers$357 SGD to $1,519 SGD

Retailer 1
-
$291 SGD
Price last confirmed 11 days ago
A
Retailer 2
-
$357 SGD
View
A
Retailer 3
-
$503 SGD
View
A
Retailer 4
-
$514 SGD
View
A
Retailer 5
-
$523 SGD
View
Retailer 6
-
$524 SGD
View
Price last confirmed 12 days ago
A
Retailer 7
-
$612 SGD
View
A
Retailer 8
-
$636 SGD
View
A
Retailer 9
-
$712 SGD
View
B+
Retailer 10
-
$1,007 SGD
View
B
Retailer 11
-
$1,361 SGD
View
Most Expensive
B
Flawless Fine Jewelry
AC526EA9B · Nov 4
$1,519 SGD
£936 GBP
View
11 more retailers have this diamond
Prices start from $357 SGDSave up to $1,163 SGD

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
$357 SGD