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 €1,744 EUR
$1,956 USD
As of November 1, 2026
Save €9,338 EUR (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €11,082 EUR at Brilliant Earth · As of November 2, 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 17 retailers as of November 1, 2026, with prices from €1,744 to €11,082, a €9,338 spread on the same certified stone. Brilliant Earth lists it at €11,082. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €11,082 EUR|Low: €1,621 EUR|High: €14,604 EUR|Avg: €3,611 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
November 3, 2026
Retailer 13€1,621 EUR
Retailer 4€1,744 EUR
Retailer 5€1,807 EUR
Retailer 14€1,957 EUR
Retailer 6€2,301 EUR
Retailer 8€2,537 EUR
Retailer 12€2,572 EUR
Retailer 11€2,706 EUR
Retailer 9€2,781 EUR
Retailer 2€2,800 EUR
Retailer 10€3,349 EUR
Retailer 7€3,737 EUR
Retailer 3€4,870 EUR
Retailer 15€5,213 EUR
Brilliant Earth€11,082 EUR

44 data points across 15 retailers

17 retailers€1,744 EUR to €11,082 EUR

A
Cheapest Retailer
-
€1,744 EUR
$1,956 USD
Final sale: no returns
Retailer 2
-
€1,807 EUR
$2,027 USD
View
Price last confirmed 21 days ago
A
Retailer 3
-
€1,957 EUR
$2,195 USD
View
A
Retailer 4
-
€2,301 EUR
$2,581 USD
View
A
Retailer 5
-
€2,537 EUR
£2,241 GBP
View
B+
Retailer 6
-
€2,572 EUR
$2,885 USD
View
A
Retailer 7
-
€2,706 EUR
View
A
Retailer 8
-
€2,781 EUR
$3,119 USD
View
A
Retailer 9
-
€2,800 EUR
ZAR 50,740 ZAR
View
A
Retailer 10
-
€3,349 EUR
A$5,778 AUD
View
B+
Retailer 11
-
€3,737 EUR
£3,300 GBP
View
Retailer 12
-
€4,449 EUR
$4,990 USD
View
Price last confirmed 7 days ago
B+
Retailer 13
-
€4,870 EUR
$5,462 USD
View
B+
Retailer 14
-
€5,213 EUR
$5,846 USD
View
B+
Retailer 15
-
€5,605 EUR
$6,287 USD
View
B
Retailer 16
-
€6,338 EUR
$7,109 USD
View
Most Expensive
B
Brilliant Earth
9053892A · Nov 2
€11,082 EUR
$12,430 USD
View
16 more retailers have this diamond
Prices start from €1,744 EURSave up to €9,338 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
€1,744 EUR