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Oval|Lab Grown|IGI

10.51ct G VS2 Oval Lab Grown Diamond

EX • G/VS2 • IGI LG660474991

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG660474991

Diamond specifications and retailer prices

From $2,643 NZD
$1,487 USD
As of October 27, 2026
Save $8,511 NZD (76%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $14,449 NZD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 10.51ct lab-grown oval diamond

This 10.51ct lab-grown oval sits in the over five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG660474991 or 660474991. Listed at 19 retailers as of October 27, 2026, with a 322% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

10.51
Carat
G
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG660474991
Dimensions18.07 × 12.10 × 7.53 mm
L/W Ratio1.49
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.07 mm12.10 mm10.51 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660474991
Side View
Table 58.0%Crown 35.8°Girdle: STK-THKPavilion 39.4°Culet: NoneDepth 62.2%

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: Oct 27
Current: $14,449 NZD|Low: $2,538 NZD|High: $14,894 NZD|Avg: $6,739 NZD|-3.0%
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
Retailer 17
November 2, 2026
Retailer 13$2,643 NZD
Retailer 4$2,876 NZD
Retailer 15$3,066 NZD
Retailer 12$3,368 NZD
Retailer 17$3,526 NZD
Retailer 2$4,294 NZD
Retailer 10$4,789 NZD
Retailer 16$4,832 NZD
Retailer 8$5,565 NZD
Retailer 3$5,748 NZD
Retailer 7$7,394 NZD
Retailer 14$7,701 NZD
Retailer 11$9,908 NZD
Retailer 5$10,234 NZD
Retailer 9$10,785 NZD
Retailer 6$11,154 NZD
Brilliant Earth$14,449 NZD

43 data points across 17 retailers

19 retailers$2,643 NZD to $11,154 NZD

A
Cheapest Retailer
-
$2,643 NZD
$1,487 USD
Retailer 2
-
$2,876 NZD
$1,618 USD
View
Price last confirmed 9 days ago
Retailer 3
-
$3,066 NZD
$1,725 USD
View
Price last confirmed 8 days ago
Retailer 4
-
$3,066 NZD
$1,725 USD
View
Price last confirmed 21 days ago
A
Retailer 5
-
$3,368 NZD
$1,895 USD
View
A
Retailer 6
-
$3,526 NZD
HK$15,500 HKD
View
A
Retailer 7
-
$4,294 NZD
£1,902 GBP
View
Retailer 8
-
$4,789 NZD
€2,566 EUR
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$4,832 NZD
$2,719 USD
View
A
Retailer 10
-
$5,565 NZD
$3,131 USD
View
Retailer 11
-
$5,748 NZD
$3,234 USD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$7,394 NZD
£3,276 GBP
View
Retailer 13
-
$7,701 NZD
$4,333 USD
View
Price last confirmed 7 days ago
B+
Retailer 14
-
$8,264 NZD
$4,650 USD
View
B+
Retailer 15
-
$9,908 NZD
$5,575 USD
View
Retailer 16
-
$10,234 NZD
SGD 7,781 SGD
View
Price last confirmed 7 days ago
B
Retailer 17
-
$10,785 NZD
$6,068 USD
View
B
Retailer 18
-
$11,154 NZD
$6,276 USD
View
Most Expensive
Brilliant Earth
18044317A · Oct 26
$14,449 NZD
$8,130 USD
View
Price last confirmed 7 days ago
18 more retailers have this diamond
Prices start from $2,643 NZDSave up to $8,511 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
10.51ct Oval
$2,643 NZD