Round|Lab Grown|IGI

10.31ct E VVS2 Round Lab Grown Diamond

ID • E/VVS2 • IGI LG845617521

Shape and cutting style on the report: Round brilliant

Certificate IGI LG845617521

Diamond specifications and retailer prices

From €3,562 EUR
$3,979 USD
As of October 31, 2026
Save €21,644 EUR (86%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €25,206 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 10.31ct lab-grown round diamond

This 10.31ct 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 LG845617521 or 845617521. Listed at 3 retailers as of October 30, 2026, with prices from €3,562 to €25,206, a €21,644 spread on the same certified stone. Brilliant Earth lists it at €25,206. 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

10.31
Carat
E
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845617521
Dimensions13.88 × 13.97 × 8.58 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.88 mm13.97 mm10.31 ctE / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845617521
Side View
Table 59.0%Crown 33.7°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: €4,877 EUR|Low: €3,562 EUR|High: €5,119 EUR|Avg: €4,394 EUR|-4.7%
Retailer 1
Retailer 2
October 31, 2026
Retailer 2€3,562 EUR
Retailer 1€4,877 EUR

15 data points across 2 retailers

3 retailers€3,562 EUR to €25,206 EUR

A
Cheapest Retailer
-
€3,562 EUR
$3,979 USD
Final sale: no returns
A
Retailer 2
-
€4,877 EUR
£4,291 GBP
View
Most Expensive
B
Brilliant Earth
21829523A · Oct 30
€25,206 EUR
$28,160 USD
View
2 more retailers have this diamond
Prices start from €3,562 EURSave up to €21,644 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
10.31ct Round
€3,562 EUR