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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 $1,487 USD
As of October 27, 2026
Save $6,643 USD (82%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $8,130 USD 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 26, 2026, with prices from $1,487 to $8,130, a $6,643 spread on the same certified stone. Brilliant Earth lists it at $8,130. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $8,130 USD|Low: $1,428 USD|High: $8,380 USD|Avg: $3,792 USD|-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$1,487 USD
Retailer 4$1,618 USD
Retailer 15$1,725 USD
Retailer 12$1,895 USD
Retailer 17$1,984 USD
Retailer 2$2,416 USD
Retailer 10$2,694 USD
Retailer 16$2,719 USD
Retailer 8$3,131 USD
Retailer 3$3,234 USD
Retailer 7$4,161 USD
Retailer 14$4,333 USD
Retailer 11$5,575 USD
Retailer 5$5,758 USD
Retailer 9$6,068 USD
Retailer 6$6,276 USD
Brilliant Earth$8,130 USD

43 data points across 17 retailers

19 retailers$1,487 USD to $8,130 USD

A
Cheapest Retailer
-
$1,487 USD
Retailer 2
-
$1,618 USD
View
Price last confirmed 8 days ago
Retailer 3
-
$1,725 USD
View
Price last confirmed 8 days ago
Retailer 4
-
$1,725 USD
View
Price last confirmed 20 days ago
A
Retailer 5
-
$1,895 USD
View
A
Retailer 6
-
$1,984 USD
HK$15,500 HKD
View
A
Retailer 7
-
$2,416 USD
£1,902 GBP
View
Retailer 8
-
$2,694 USD
€2,566 EUR
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$2,719 USD
View
A
Retailer 10
-
$3,131 USD
View
Retailer 11
-
$3,234 USD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$4,161 USD
£3,276 GBP
View
B+
Retailer 13
-
$4,333 USD
View
B+
Retailer 14
-
$4,650 USD
View
B+
Retailer 15
-
$5,575 USD
View
Retailer 16
-
$5,758 USD
SGD 7,781 SGD
View
Price last confirmed 7 days ago
B
Retailer 17
-
$6,068 USD
View
B
Retailer 18
-
$6,276 USD
View
Most Expensive
B
Brilliant Earth
18044317A · Oct 26
$8,130 USD
View
18 more retailers have this diamond
Prices start from $1,487 USDSave up to $6,643 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
10.51ct Oval
$1,487 USD