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 €1,751 EUR
$1,956 USD
As of October 31, 2026
Save €9,375 EUR (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €11,126 EUR 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 €1,751 to €11,126, a €9,375 spread on the same certified stone. Brilliant Earth lists it at €11,126. 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: €11,126 EUR|Low: €1,628 EUR|High: €14,662 EUR|Avg: €3,697 EUR|-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€1,628 EUR
Retailer 4€1,751 EUR
Retailer 5€1,814 EUR
Retailer 15€1,965 EUR
Retailer 6€2,310 EUR
Retailer 9€2,573 EUR
Retailer 11€2,582 EUR
Retailer 2€2,717 EUR
Retailer 14€2,769 EUR
Retailer 10€2,809 EUR
Retailer 12€3,368 EUR
Retailer 7€3,751 EUR
Retailer 8€4,467 EUR
Retailer 3€4,889 EUR
Retailer 16€5,233 EUR
Brilliant Earth€11,126 EUR

43 data points across 16 retailers

18 retailers€1,751 EUR to €11,126 EUR

Retailer 1
-
€1,628 EUR
£1,432 GBP
Price last confirmed 15 days ago
A
Retailer 2
-
€1,751 EUR
$1,956 USD
View
Final sale: no returns
Retailer 3
-
€1,814 EUR
$2,027 USD
View
Price last confirmed 19 days ago
A
Retailer 4
-
€1,965 EUR
$2,195 USD
View
A
Retailer 5
-
€2,310 EUR
$2,581 USD
View
A
Retailer 6
-
€2,573 EUR
£2,263 GBP
View
B+
Retailer 7
-
€2,582 EUR
$2,885 USD
View
A
Retailer 8
-
€2,717 EUR
View
A
Retailer 9
-
€2,769 EUR
$3,093 USD
View
A
Retailer 10
-
€2,809 EUR
ZAR 50,695 ZAR
View
Retailer 11
-
€3,368 EUR
A$5,788 AUD
View
Price last confirmed 9 days ago
A
Retailer 12
-
€3,751 EUR
£3,300 GBP
View
B+
Retailer 13
-
€4,467 EUR
$4,990 USD
View
B+
Retailer 14
-
€4,889 EUR
$5,462 USD
View
B+
Retailer 15
-
€5,233 EUR
$5,846 USD
View
B+
Retailer 16
-
€5,627 EUR
$6,287 USD
View
B
Retailer 17
-
€6,363 EUR
$7,109 USD
View
Most Expensive
B
Brilliant Earth
9053892A · Oct 29
€11,126 EUR
$12,430 USD
View
17 more retailers have this diamond
Prices start from €1,751 EURSave up to €9,375 EUR

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
€1,751 EUR