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Round|Lab Grown|IGI

10.51ct E VVS2 Round Lab Grown Diamond

EX • E/VVS2 • IGI LG816685597

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816685597

Diamond specifications and retailer prices

From €5,297 EUR
£4,678 GBP
As of November 1, 2026
Save €20,300 EUR (79%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €25,597 EUR at Brilliant Earth · As of October 31, 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 E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG816685597 or 816685597. Listed at 8 retailers as of October 31, 2026, with prices from €5,297 to €25,597, a €20,300 spread on the same certified stone. Brilliant Earth lists it at €25,597. 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
E
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816685597
Dimensions14.15 × 14.11 × 8.42 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.15 mm14.11 mm10.51 ctE / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816685597
Side View
Table 61.0%Crown 33.2°Girdle: Slightly ThickPavilion 40.3°Culet: NoneDepth 59.6%

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: Nov 1
Current: €25,597 EUR|Low: €3,959 EUR|High: €26,382 EUR|Avg: €9,077 EUR|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 9€3,959 EUR
Retailer 2€5,297 EUR
Retailer 5€5,340 EUR
Retailer 8€5,641 EUR
Retailer 4€5,698 EUR
Retailer 3€6,277 EUR
Retailer 10€7,448 EUR
Retailer 7€9,277 EUR
Retailer 6€14,373 EUR
Brilliant Earth€25,597 EUR

11 data points across 10 retailers

8 retailers€5,297 EUR to €25,597 EUR

A
Cheapest Retailer
-
€5,297 EUR
£4,678 GBP
A
Retailer 2
-
€5,340 EUR
$5,989 USD
View
B+
Retailer 3
-
€5,698 EUR
$6,391 USD
View
B+
Retailer 4
-
€6,277 EUR
ZAR 113,740 ZAR
View
Retailer 5
-
€7,448 EUR
$8,353 USD
View
Price last confirmed 105 days ago
B
Retailer 6
-
€9,277 EUR
$10,405 USD
View
B
Retailer 7
-
€14,373 EUR
$16,121 USD
View
Most Expensive
B
Brilliant Earth
21525691Y · Oct 31
€25,597 EUR
$28,710 USD
View
7 more retailers have this diamond
Prices start from €5,297 EURSave up to €20,300 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
€5,297 EUR