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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 $3,641 NZD
$2,052 USD
As of October 31, 2026
Save $23,582 NZD (87%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $27,223 NZD 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 $3,641 to $27,223, a $23,582 spread on the same certified stone. Brilliance lists it at $27,223. 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 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: $10,167 NZD|Low: $3,550 NZD|High: $25,940 NZD|Avg: $9,147 NZD|-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$3,641 NZD
Retailer 10$4,072 NZD
Retailer 12$5,292 NZD
Retailer 9$5,331 NZD
Retailer 13$5,394 NZD
Retailer 11$5,840 NZD
Retailer 3$6,347 NZD
Retailer 7$6,467 NZD
Retailer 2$6,990 NZD
Retailer 6$8,313 NZD
Brilliance$10,167 NZD
Retailer 16$10,835 NZD
Retailer 14$11,911 NZD
Retailer 15$13,221 NZD
Retailer 8$16,052 NZD
Retailer 4$24,468 NZD

36 data points across 16 retailers

20 retailers$3,641 NZD to $27,223 NZD

Retailer 1
-
$3,362 NZD
$1,895 USD
Price last confirmed 22 days ago
A
Retailer 2
-
$3,641 NZD
$2,052 USD
View
Final sale: no returns
Retailer 3
-
$3,902 NZD
$2,199 USD
View
Price last confirmed 21 days ago
Retailer 4
-
$3,902 NZD
$2,199 USD
View
Price last confirmed 22 days ago
A
Retailer 5
-
$4,072 NZD
$2,295 USD
View
A
Retailer 6
-
$5,292 NZD
HK$23,300 HKD
View
A
Retailer 7
-
$5,331 NZD
£2,366 GBP
View
B+
Retailer 8
-
$5,394 NZD
$3,040 USD
View
A
Retailer 9
-
$5,840 NZD
ZAR 53,178 ZAR
View
A
Retailer 10
-
$6,347 NZD
$3,577 USD
View
A
Retailer 11
-
$6,990 NZD
A$6,061 AUD
View
Retailer 12
-
$7,312 NZD
$4,121 USD
View
Price last confirmed 22 days ago
A
Retailer 13
-
$8,313 NZD
CA$6,507 CAD
View
B+
Retailer 14
-
$10,167 NZD
$5,730 USD
View
B+
Retailer 15
-
$10,835 NZD
$6,107 USD
View
B+
Retailer 16
-
$11,911 NZD
$6,713 USD
View
B+
Retailer 17
-
$13,221 NZD
$7,451 USD
View
Retailer 18
-
$16,052 NZD
$9,047 USD
View
Price last confirmed 11 days ago
B
Retailer 19
-
$24,468 NZD
$13,790 USD
View
Most Expensive
B
Brilliance
D33543049 · Nov 1
$27,223 NZD
$15,343 USD
View
19 more retailers have this diamond
Prices start from $3,641 NZDSave up to $23,582 NZD

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
$3,641 NZD