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Round|Lab Grown|IGI

2.31ct I VS2 Round Lab Grown Diamond

EX • I/VS2 • IGI LG500163346

Shape and cutting style on the report: Round brilliant

Certificate IGI LG500163346

Diamond specifications and retailer prices

From $1,330 USD
As of October 30, 2026
Save $4,534 USD (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $9,627 USD at MOH London · As of October 29, 2026
View at MOH London

About this 2.31ct lab-grown round diamond

This 2.31ct lab-grown round sits in the two to three carat band, graded I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG500163346 or 500163346. Listed at 11 retailers as of October 26, 2026, with a 341% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

2.31
Carat
I
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG500163346
Dimensions8.38 × 8.44 × 5.23 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.38 mm8.44 mm2.31 ctI / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG500163346
Side View
Table 57.0%Crown 36.3°GirdlePavilion 40.2°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $9,627 USD|Low: $1,330 USD|High: $9,704 USD|Avg: $4,905 USD|+0.5%
MOH London
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 2$1,330 USD
Retailer 6$3,257 USD
Retailer 10$3,543 USD
Retailer 9$3,648 USD
Retailer 7$3,778 USD
Retailer 12$3,935 USD
Retailer 3$4,388 USD
Retailer 11$4,721 USD
Retailer 5$5,211 USD
Retailer 8$5,864 USD
Retailer 4$8,491 USD
MOH London$9,627 USD

19 data points across 12 retailers

11 retailers$1,330 USD to $5,864 USD

B+
Cheapest Retailer
-
$1,330 USD
B
Retailer 2
-
$3,257 USD
View
B
Retailer 3
-
$3,543 USD
View
B
Retailer 4
-
$3,648 USD
View
Final sale: no returns
B
Retailer 5
-
$3,778 USD
View
Retailer 6
-
$3,778 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
$3,935 USD
View
B
Retailer 8
-
$4,721 USD
View
B
Retailer 9
-
$5,211 USD
View
B
Retailer 10
-
$5,864 USD
View
Most Expensive
MOH London
LG500163346 · Oct 29
$9,627 USD
£7,580 GBP
View
Price under review
10 more retailers have this diamond
Prices start from $1,330 USDSave up to $4,534 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.

B+
2.31ct Round
$1,330 USD