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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 $2,052 USD
As of October 29, 2026
Save $13,291 USD (87%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $15,343 USD at Brilliance · As of October 30, 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 29, 2026, with prices from $2,052 to $15,343, a $13,291 spread on the same certified stone. Brilliance lists it at $15,343. 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 29
Current: $5,730 USD|Low: $2,001 USD|High: $14,620 USD|Avg: $5,146 USD|-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
October 30, 2026
Retailer 4$2,052 USD
Retailer 11$2,982 USD
Retailer 2$3,004 USD
Retailer 12$3,040 USD
Retailer 10$3,145 USD
Retailer 9$3,292 USD
Retailer 16$3,577 USD
Retailer 7$3,645 USD
Retailer 6$4,080 USD
Retailer 5$4,685 USD
Brilliance$5,730 USD
Retailer 15$6,107 USD
Retailer 13$6,713 USD
Retailer 14$7,451 USD
Retailer 8$9,047 USD
Retailer 3$13,790 USD

35 data points across 16 retailers

20 retailers$2,052 USD to $15,343 USD

Retailer 1
-
$1,895 USD
Price last confirmed 20 days ago
A
Retailer 2
-
$2,052 USD
View
Final sale: no returns
Retailer 3
-
$2,199 USD
View
Price last confirmed 20 days ago
Retailer 4
-
$2,199 USD
View
Price last confirmed 21 days ago
A
Retailer 5
-
$2,982 USD
HK$23,300 HKD
View
A
Retailer 6
-
$3,004 USD
£2,366 GBP
View
B+
Retailer 7
-
$3,040 USD
View
A
Retailer 8
-
$3,145 USD
View
A
Retailer 9
-
$3,292 USD
ZAR 53,178 ZAR
View
A
Retailer 10
-
$3,577 USD
View
Retailer 11
-
$4,080 USD
A$6,277 AUD
View
Price last confirmed 8 days ago
Retailer 12
-
$4,121 USD
View
Price last confirmed 21 days ago
A
Retailer 13
-
$4,685 USD
CA$6,507 CAD
View
B+
Retailer 14
-
$5,730 USD
View
B+
Retailer 15
-
$6,107 USD
View
B+
Retailer 16
-
$6,713 USD
View
B+
Retailer 17
-
$7,451 USD
View
Retailer 18
-
$9,047 USD
View
Price last confirmed 9 days ago
B
Retailer 19
-
$13,790 USD
View
Most Expensive
B
Brilliance
D33543049 · Oct 30
$15,343 USD
View
19 more retailers have this diamond
Prices start from $2,052 USDSave up to $13,291 USD

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
$2,052 USD