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Cushion|Lab Grown|IGI

1.31ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG615343004

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG615343004

Diamond specifications and retailer prices

From $528 USD
A$812 AUD
As of October 26, 2026
Save $992 USD (65%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,520 USD at Do Amore Diamonds · As of October 27, 2026
View at Do Amore Diamonds

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 LG615343004 or 615343004. Listed at 6 retailers as of October 26, 2026, with prices from $528 to $1,520, a $992 spread on the same certified stone. Do Amore Diamonds lists it at $1,520. 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 angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG615343004
Dimensions6.36 × 6.32 × 4.22 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
6.36 mm6.32 mm1.31 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG615343004
Side View
Table 61.0%Crown 34.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 66.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 26
Current: $1,520 USD|Low: $141 USD|High: $1,600 USD|Avg: $753 USD|-5.0%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 26, 2026
Retailer 7$187 USD
Retailer 5$355 USD
Retailer 2$528 USD
Retailer 6$722 USD
Retailer 3$810 USD
Retailer 4$1,016 USD
Do Amore Diamonds$1,520 USD

16 data points across 7 retailers

6 retailers$528 USD to $1,520 USD

Retailer 1
-
$355 USD
Price last confirmed 8 days ago
A
Retailer 2
-
$528 USD
A$812 AUD
View
B+
Retailer 3
-
$722 USD
View
B+
Retailer 4
-
$810 USD
View
Retailer 5
-
$1,016 USD
£800 GBP
View
Price last confirmed 12 days ago
Most Expensive
B
Do Amore Diamonds
27-C79274187 · Oct 27
$1,520 USD
View
5 more retailers have this diamond
Prices start from $528 USDSave up to $992 USD

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
$528 USD