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Round|Lab Grown|IGI

10.31ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG665404035

Shape and cutting style on the report: Round brilliant

Certificate IGI LG665404035

Diamond specifications and retailer prices

From €1,837 EUR
$2,052 USD
As of October 31, 2026
Save €11,897 EUR (87%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €13,733 EUR at Brilliance · As of November 1, 2026
View at Brilliance

About this 10.31ct lab-grown round diamond

This 10.31ct lab-grown round 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 LG665404035 or 665404035. Listed at 20 retailers as of October 31, 2026, with prices from €1,837 to €13,733, a €11,897 spread on the same certified stone. Brilliance lists it at €13,733. 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 angle35.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665404035
Dimensions13.92 × 13.84 × 8.65 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.92 mm13.84 mm10.31 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665404035
Side View
Table 57.0%Crown 35.2°Girdle: MediumPavilion 40.7°Culet: NoneDepth 62.2%

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: Oct 31
Current: €5,129 EUR|Low: €1,791 EUR|High: €13,086 EUR|Avg: €4,614 EUR|-7.5%
Brilliance
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 5€1,837 EUR
Retailer 10€2,054 EUR
Retailer 12€2,670 EUR
Retailer 9€2,689 EUR
Retailer 13€2,721 EUR
Retailer 11€2,946 EUR
Retailer 3€3,202 EUR
Retailer 7€3,262 EUR
Retailer 2€3,526 EUR
Retailer 6€4,194 EUR
Brilliance€5,129 EUR
Retailer 16€5,466 EUR
Retailer 14€6,009 EUR
Retailer 15€6,669 EUR
Retailer 8€8,098 EUR
Retailer 4€12,343 EUR

36 data points across 16 retailers

20 retailers€1,837 EUR to €13,733 EUR

Retailer 1
-
€1,696 EUR
$1,895 USD
Price last confirmed 21 days ago
A
Retailer 2
-
€1,837 EUR
$2,052 USD
View
Final sale: no returns
Retailer 3
-
€1,968 EUR
$2,199 USD
View
Price last confirmed 21 days ago
Retailer 4
-
€1,968 EUR
$2,199 USD
View
Price last confirmed 22 days ago
A
Retailer 5
-
€2,054 EUR
$2,295 USD
View
A
Retailer 6
-
€2,670 EUR
HK$23,300 HKD
View
A
Retailer 7
-
€2,689 EUR
£2,366 GBP
View
B+
Retailer 8
-
€2,721 EUR
$3,040 USD
View
A
Retailer 9
-
€2,946 EUR
ZAR 53,178 ZAR
View
A
Retailer 10
-
€3,202 EUR
$3,577 USD
View
A
Retailer 11
-
€3,526 EUR
A$6,061 AUD
View
Retailer 12
-
€3,689 EUR
$4,121 USD
View
Price last confirmed 22 days ago
A
Retailer 13
-
€4,194 EUR
CA$6,507 CAD
View
B+
Retailer 14
-
€5,129 EUR
$5,730 USD
View
B+
Retailer 15
-
€5,466 EUR
$6,107 USD
View
B+
Retailer 16
-
€6,009 EUR
$6,713 USD
View
B+
Retailer 17
-
€6,669 EUR
$7,451 USD
View
Retailer 18
-
€8,098 EUR
$9,047 USD
View
Price last confirmed 10 days ago
B
Retailer 19
-
€12,343 EUR
$13,790 USD
View
Most Expensive
B
Brilliance
D33543049 · Nov 1
€13,733 EUR
$15,343 USD
View
19 more retailers have this diamond
Prices start from €1,837 EURSave up to €11,897 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 Round
€1,837 EUR