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Cushion|Lab Grown|IGI

1.31ct G VS1 Cushion Lab Grown Diamond

EX • G/VS1 • IGI LG591375611

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG591375611

Diamond specifications and retailer prices

From $1,520 USD
As of October 27, 2026
4 retailers carry this diamond
Most expensive: $1,520 USD at Do Amore Diamonds
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 LG591375611 or 591375611. Listed at 4 retailers as of October 27, 2026. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591375611
Dimensions7.87 × 5.70 × 3.83 mm
L/W Ratio1.38
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
7.87 mm5.70 mm1.31 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591375611
Side View
Table 61.0%Crown 34.8°Girdle: THN-MEDPavilion 36°Culet: NoneDepth 67.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 27
Current: $1,520 USD|Low: $141 USD|High: $1,670 USD|Avg: $674 USD|-9.0%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 26, 2026
Retailer 7$193 USD
Retailer 6$355 USD
Retailer 12$386 USD
Retailer 8$399 USD
Retailer 10$491 USD
Retailer 11$520 USD
Retailer 2$528 USD
Retailer 3$626 USD
Retailer 9$916 USD
Retailer 4$945 USD
Retailer 5$1,012 USD
Do Amore Diamonds$1,520 USD

15 data points across 12 retailers

4 retailers

Retailer 1
-
$355 USD
Price last confirmed 8 days ago
Retailer 2
-
$528 USD
A$812 AUD
View
Price last confirmed 7 days ago
Retailer 3
-
$1,012 USD
£797 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
Do Amore Diamonds
27-49C8B2439 · Oct 27
$1,520 USD
View
3 more retailers have this diamond

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.

B
1.31ct Cushion
$1,520 USD