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Cushion|Lab Grown|IGI

10.31ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG614333674

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG614333674

Diamond specifications and retailer prices

From $1,956 USD
As of October 31, 2026
Save $10,474 USD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $12,430 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 10.31ct lab-grown cushion diamond

This 10.31ct lab-grown cushion sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG614333674 or 614333674. Listed at 18 retailers as of October 29, 2026, with prices from $1,956 to $12,430, a $10,474 spread on the same certified stone. Brilliant Earth lists it at $12,430. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

10.31
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle31.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG614333674
Dimensions12.00 × 11.81 × 7.59 mm
L/W Ratio1.02
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
12.00 mm11.81 mm10.31 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG614333674
Side View
Table 65.0%Crown 37.2°Girdle: THK-VTKPavilion 31.2°Culet: NoneDepth 64.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $12,430 USD|Low: $1,818 USD|High: $16,380 USD|Avg: $4,125 USD|-24.1%
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
October 31, 2026
Retailer 13$1,818 USD
Retailer 4$1,956 USD
Retailer 5$2,027 USD
Retailer 15$2,195 USD
Retailer 6$2,581 USD
Retailer 9$2,874 USD
Retailer 11$2,885 USD
Retailer 2$3,036 USD
Retailer 14$3,093 USD
Retailer 10$3,138 USD
Retailer 12$3,762 USD
Retailer 7$4,191 USD
Retailer 8$4,990 USD
Retailer 3$5,462 USD
Retailer 16$5,846 USD
Brilliant Earth$12,430 USD

44 data points across 16 retailers

18 retailers$1,956 USD to $12,430 USD

Retailer 1
-
$1,818 USD
£1,432 GBP
Price last confirmed 14 days ago
A
Retailer 2
-
$1,956 USD
View
Final sale: no returns
Retailer 3
-
$2,027 USD
View
Price last confirmed 18 days ago
A
Retailer 4
-
$2,195 USD
View
A
Retailer 5
-
$2,581 USD
View
A
Retailer 6
-
$2,874 USD
£2,263 GBP
View
B+
Retailer 7
-
$2,885 USD
View
A
Retailer 8
-
$3,036 USD
€2,891 EUR
View
A
Retailer 9
-
$3,093 USD
View
A
Retailer 10
-
$3,138 USD
ZAR 50,695 ZAR
View
Retailer 11
-
$3,762 USD
A$5,788 AUD
View
Price last confirmed 9 days ago
A
Retailer 12
-
$4,191 USD
£3,300 GBP
View
B+
Retailer 13
-
$4,990 USD
View
B+
Retailer 14
-
$5,462 USD
View
B+
Retailer 15
-
$5,846 USD
View
B+
Retailer 16
-
$6,287 USD
View
B
Retailer 17
-
$7,109 USD
View
Most Expensive
B
Brilliant Earth
9053892A · Oct 29
$12,430 USD
View
17 more retailers have this diamond
Prices start from $1,956 USDSave up to $10,474 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
10.31ct Cushion
$1,956 USD