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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 $2,501 SGD
$1,956 USD
As of November 1, 2026
Save $13,390 SGD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $15,891 SGD 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 $2,501 to $15,891, a $13,390 spread on the same certified stone. Brilliant Earth lists it at $15,891. 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

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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: $15,891 SGD|Low: $2,325 SGD|High: $20,940 SGD|Avg: $5,285 SGD|-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$2,325 SGD
Retailer 4$2,501 SGD
Retailer 5$2,591 SGD
Retailer 15$2,806 SGD
Retailer 6$3,300 SGD
Retailer 2$3,674 SGD
Retailer 12$3,688 SGD
Retailer 10$3,881 SGD
Retailer 14$3,954 SGD
Retailer 11$4,012 SGD
Retailer 9$4,801 SGD
Retailer 7$5,358 SGD
Retailer 8$6,379 SGD
Retailer 3$6,983 SGD
Retailer 16$7,474 SGD
Brilliant Earth$15,891 SGD

43 data points across 16 retailers

18 retailers$2,501 SGD to $15,891 SGD

Retailer 1
-
$2,325 SGD
£1,432 GBP
Price last confirmed 15 days ago
A
Retailer 2
-
$2,501 SGD
$1,956 USD
View
Final sale: no returns
Retailer 3
-
$2,591 SGD
$2,027 USD
View
Price last confirmed 20 days ago
A
Retailer 4
-
$2,806 SGD
$2,195 USD
View
A
Retailer 5
-
$3,300 SGD
$2,581 USD
View
A
Retailer 6
-
$3,674 SGD
£2,263 GBP
View
B+
Retailer 7
-
$3,688 SGD
$2,885 USD
View
A
Retailer 8
-
$3,881 SGD
€2,891 EUR
View
A
Retailer 9
-
$3,954 SGD
$3,093 USD
View
A
Retailer 10
-
$4,012 SGD
ZAR 50,695 ZAR
View
A
Retailer 11
-
$4,801 SGD
A$5,778 AUD
View
A
Retailer 12
-
$5,358 SGD
£3,300 GBP
View
B+
Retailer 13
-
$6,379 SGD
$4,990 USD
View
B+
Retailer 14
-
$6,983 SGD
$5,462 USD
View
B+
Retailer 15
-
$7,474 SGD
$5,846 USD
View
B+
Retailer 16
-
$8,037 SGD
$6,287 USD
View
B
Retailer 17
-
$9,088 SGD
$7,109 USD
View
Most Expensive
B
Brilliant Earth
9053892A · Oct 31
$15,891 SGD
$12,430 USD
View
17 more retailers have this diamond
Prices start from $2,501 SGDSave up to $13,390 SGD

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
$2,501 SGD