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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 $2,785 AUD
$1,956 USD
As of November 1, 2026
Save $14,911 AUD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $17,695 AUD at Brilliant Earth · As of October 31, 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 31, 2026, with prices from $2,785 to $17,695, a $14,911 spread on the same certified stone. Brilliant Earth lists it at $17,695. 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
Colour
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

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 1
Current: $17,695 AUD|Low: $2,589 AUD|High: $23,319 AUD|Avg: $5,885 AUD|-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
November 1, 2026
Retailer 13$2,589 AUD
Retailer 4$2,785 AUD
Retailer 5$2,886 AUD
Retailer 15$3,125 AUD
Retailer 6$3,674 AUD
Retailer 2$4,092 AUD
Retailer 12$4,107 AUD
Retailer 10$4,321 AUD
Retailer 14$4,403 AUD
Retailer 11$4,467 AUD
Retailer 9$5,347 AUD
Retailer 7$5,966 AUD
Retailer 8$7,104 AUD
Retailer 3$7,776 AUD
Retailer 16$8,323 AUD
Brilliant Earth$17,695 AUD

43 data points across 16 retailers

18 retailers$2,785 AUD to $17,695 AUD

Retailer 1
-
$2,589 AUD
£1,432 GBP
Price last confirmed 16 days ago
A
Retailer 2
-
$2,785 AUD
$1,956 USD
View
Final sale: no returns
Retailer 3
-
$2,886 AUD
$2,027 USD
View
Price last confirmed 20 days ago
A
Retailer 4
-
$3,125 AUD
$2,195 USD
View
A
Retailer 5
-
$3,674 AUD
$2,581 USD
View
A
Retailer 6
-
$4,092 AUD
£2,263 GBP
View
B+
Retailer 7
-
$4,107 AUD
$2,885 USD
View
A
Retailer 8
-
$4,321 AUD
€2,891 EUR
View
A
Retailer 9
-
$4,403 AUD
$3,093 USD
View
A
Retailer 10
-
$4,467 AUD
ZAR 50,695 ZAR
View
A
Retailer 11
-
$5,347 AUD
View
A
Retailer 12
-
$5,966 AUD
£3,300 GBP
View
B+
Retailer 13
-
$7,104 AUD
$4,990 USD
View
B+
Retailer 14
-
$7,776 AUD
$5,462 USD
View
B+
Retailer 15
-
$8,323 AUD
$5,846 USD
View
B+
Retailer 16
-
$8,950 AUD
$6,287 USD
View
B
Retailer 17
-
$10,120 AUD
$7,109 USD
View
Most Expensive
B
Brilliant Earth
9053892A · Oct 31
$17,695 AUD
$12,430 USD
View
17 more retailers have this diamond
Prices start from $2,785 AUDSave up to $14,911 AUD

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
$2,785 AUD