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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 €1,936 EUR
$2,163 USD
As of October 29, 2026
Save €13,003 EUR (87%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €14,939 EUR 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 €1,936 to €14,939, a €13,003 spread on the same certified stone. Brilliant Earth lists it at €14,939. 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

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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: €14,939 EUR|Low: €1,799 EUR|High: €15,404 EUR|Avg: €4,709 EUR|-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 31, 2026
Retailer 9€1,799 EUR
Retailer 11€1,936 EUR
Retailer 2€2,157 EUR
Retailer 6€3,105 EUR
Retailer 13€3,140 EUR
Retailer 5€3,151 EUR
Retailer 10€3,293 EUR
Retailer 7€3,514 EUR
Retailer 8€3,722 EUR
Retailer 4€5,798 EUR
Retailer 12€5,925 EUR
Retailer 3€7,022 EUR
Brilliant Earth€14,939 EUR

38 data points across 13 retailers

12 retailers€1,936 EUR to €14,939 EUR

Retailer 1
-
€1,799 EUR
£1,583 GBP
Price last confirmed 14 days ago
A
Retailer 2
-
€1,936 EUR
$2,163 USD
View
Final sale: no returns
B+
Retailer 3
-
€2,157 EUR
$2,410 USD
View
A
Retailer 4
-
€3,105 EUR
ZAR 56,034 ZAR
View
A
Retailer 5
-
€3,140 EUR
$3,508 USD
View
A
Retailer 6
-
€3,293 EUR
$3,679 USD
View
A
Retailer 7
-
€3,514 EUR
View
Retailer 8
-
€3,722 EUR
A$6,397 AUD
View
Price last confirmed 9 days ago
Retailer 9
-
€5,798 EUR
$6,478 USD
View
Price last confirmed 111 days ago
B+
Retailer 10
-
€5,925 EUR
$6,620 USD
View
B
Retailer 11
-
€7,022 EUR
$7,845 USD
View
Most Expensive
B
Brilliant Earth
21027069A · Oct 29
€14,939 EUR
$16,690 USD
View
11 more retailers have this diamond
Prices start from €1,936 EURSave up to €13,003 EUR

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
€1,936 EUR