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Round|Lab Grown|IGI

2.31ct I VS2 Round Lab Grown Diamond

ID • I/VS2 • IGI LG492110248

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492110248

Diamond specifications and retailer prices

From £978 GBP
$1,310 USD
As of October 30, 2026
Save £3,399 GBP (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £7,185 GBP 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 LG492110248 or 492110248. Listed at 11 retailers as of October 26, 2026, with a 348% 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
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492110248
Dimensions8.44 × 8.47 × 5.25 mm
L/W Ratio1.00
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
8.44 mm8.47 mm2.31 ctI / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492110248
Side View
Table 54.5%Crown 35.9°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: £7,185 GBP|Low: £978 GBP|High: £7,242 GBP|Avg: £3,742 GBP|+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
Retailer 13
October 30, 2026
Retailer 2£978 GBP
Retailer 7£2,431 GBP
Retailer 11£2,644 GBP
Retailer 10£2,723 GBP
Retailer 8£2,820 GBP
Retailer 13£2,937 GBP
Retailer 3£3,275 GBP
Retailer 12£3,523 GBP
Retailer 6£3,889 GBP
Retailer 9£4,376 GBP
Retailer 4£5,050 GBP
Retailer 5£6,337 GBP
MOH London£7,185 GBP

19 data points across 13 retailers

11 retailers£978 GBP to £4,376 GBP

B+
Cheapest Retailer
-
£978 GBP
$1,310 USD
B
Retailer 2
-
£2,431 GBP
$3,257 USD
View
B
Retailer 3
-
£2,644 GBP
$3,543 USD
View
B
Retailer 4
-
£2,723 GBP
$3,648 USD
View
Final sale: no returns
B
Retailer 5
-
£2,820 GBP
$3,778 USD
View
Retailer 6
-
£2,820 GBP
$3,778 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
£2,937 GBP
$3,935 USD
View
B
Retailer 8
-
£3,523 GBP
$4,721 USD
View
B
Retailer 9
-
£3,889 GBP
$5,211 USD
View
B
Retailer 10
-
£4,376 GBP
$5,864 USD
View
Most Expensive
MOH London
LG492110248 · Oct 29
£7,185 GBP
View
Price under review
10 more retailers have this diamond
Prices start from £978 GBPSave up to £3,399 GBP

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
£978 GBP