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 $3,979 USD
As of October 31, 2026
Save $24,181 USD (86%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $28,160 USD 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 $3,979 to $28,160, a $24,181 spread on the same certified stone. Brilliant Earth lists it at $28,160. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $5,449 USD|Low: $3,979 USD|High: $5,719 USD|Avg: $4,909 USD|-4.7%
Retailer 1
Retailer 2
October 31, 2026
Retailer 2$3,979 USD
Retailer 1$5,449 USD

15 data points across 2 retailers

3 retailers$3,979 USD to $28,160 USD

A
Cheapest Retailer
-
$3,979 USD
Final sale: no returns
A
Retailer 2
-
$5,449 USD
£4,291 GBP
View
Most Expensive
B
Brilliant Earth
21829523A · Oct 30
$28,160 USD
View
2 more retailers have this diamond
Prices start from $3,979 USDSave up to $24,181 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
10.31ct Round
$3,979 USD