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Round|Lab Grown|IGI

10.51ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • IGI LG665415952

Shape and cutting style on the report: Round brilliant

Certificate IGI LG665415952

Diamond specifications and retailer prices

From $2,163 USD
As of October 29, 2026
Save $14,527 USD (87%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $16,690 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 10.51ct lab-grown round diamond

This 10.51ct lab-grown round sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG665415952 or 665415952. Listed at 12 retailers as of October 29, 2026, with prices from $2,163 to $16,690, a $14,527 spread on the same certified stone. Brilliant Earth lists it at $16,690. 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
H
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665415952
Dimensions14.19 × 14.30 × 8.44 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
14.19 mm14.30 mm10.51 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665415952
Side View
Table 59.0%Crown 32.2°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 59.2%

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 29
Current: $16,690 USD|Low: $2,010 USD|High: $17,210 USD|Avg: $5,266 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
October 29, 2026
Retailer 9$2,010 USD
Retailer 11$2,163 USD
Retailer 2$3,469 USD
Retailer 13$3,508 USD
Retailer 7$3,510 USD
Retailer 5$3,520 USD
Retailer 10$3,679 USD
Retailer 6$3,926 USD
Retailer 8$4,158 USD
Retailer 4$6,478 USD
Retailer 12$6,620 USD
Retailer 3$7,845 USD
Brilliant Earth$16,690 USD

37 data points across 13 retailers

12 retailers$2,163 USD to $16,690 USD

Retailer 1
-
$2,010 USD
£1,583 GBP
Price last confirmed 14 days ago
A
Retailer 2
-
$2,163 USD
View
Final sale: no returns
A
Retailer 3
-
$3,469 USD
ZAR 56,034 ZAR
View
A
Retailer 4
-
$3,508 USD
View
B+
Retailer 5
-
$3,510 USD
View
A
Retailer 6
-
$3,679 USD
View
A
Retailer 7
-
$3,926 USD
€3,739 EUR
View
Retailer 8
-
$4,158 USD
A$6,397 AUD
View
Price last confirmed 8 days ago
Retailer 9
-
$6,478 USD
View
Price last confirmed 110 days ago
B+
Retailer 10
-
$6,620 USD
View
B
Retailer 11
-
$7,845 USD
View
Most Expensive
B
Brilliant Earth
21027069A · Oct 29
$16,690 USD
View
11 more retailers have this diamond
Prices start from $2,163 USDSave up to $14,527 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 Round
$2,163 USD