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Round|Lab Grown|IGI

10.51ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • IGI LG665415925

Shape and cutting style on the report: Round brilliant

Certificate IGI LG665415925

Diamond specifications and retailer prices

From $2,110 USD
As of October 29, 2026
Save $18,000 USD (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $20,110 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG665415925 or 665415925. Listed at 13 retailers as of October 29, 2026, with prices from $2,110 to $20,110, a $18,000 spread on the same certified stone. Brilliant Earth lists it at $20,110. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665415925
Dimensions13.91 × 13.98 × 8.66 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
13.91 mm13.98 mm10.51 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665415925
Side View
Table 58.0%Crown 36.4°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.0%

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: $20,110 USD|Low: $2,110 USD|High: $20,730 USD|Avg: $5,737 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
October 30, 2026
Retailer 11$2,110 USD
Retailer 2$2,993 USD
Retailer 9$3,165 USD
Retailer 5$3,383 USD
Retailer 12$3,424 USD
Retailer 8$3,588 USD
Retailer 6$3,827 USD
Retailer 7$4,055 USD
Retailer 3$5,888 USD
Retailer 10$6,967 USD
Retailer 4$7,654 USD
Brilliant Earth$20,110 USD

42 data points across 12 retailers

13 retailers$2,110 USD to $20,110 USD

A
Cheapest Retailer
-
$2,110 USD
Final sale: no returns
A
Retailer 2
-
$2,993 USD
£2,356 GBP
View
A
Retailer 3
-
$3,165 USD
View
A
Retailer 4
-
$3,383 USD
ZAR 54,649 ZAR
View
A
Retailer 5
-
$3,424 USD
View
A
Retailer 6
-
$3,588 USD
View
A
Retailer 7
-
$3,827 USD
€3,645 EUR
View
Retailer 8
-
$4,055 USD
A$6,239 AUD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$5,888 USD
View
Retailer 10
-
$6,356 USD
View
Price last confirmed 110 days ago
B+
Retailer 11
-
$6,967 USD
View
B+
Retailer 12
-
$7,654 USD
View
Most Expensive
B
Brilliant Earth
21027698A · Oct 29
$20,110 USD
View
12 more retailers have this diamond
Prices start from $2,110 USDSave up to $18,000 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
$2,110 USD