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Round|Lab Grown|IGI

2.40ct I VS1 Round Lab Grown Diamond

EX • I/VS1 • IGI LG490177015

Shape and cutting style on the report: Round brilliant

Certificate IGI LG490177015

Diamond specifications and retailer prices

From £1,194 GBP
$1,600 USD
As of October 30, 2026
Save £3,656 GBP (75%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £6,737 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 2.4ct lab-grown round diamond

This 2.4ct lab-grown round sits in the two to three carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG490177015 or 490177015. Listed at 13 retailers as of October 26, 2026, with a 306% 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

2.40
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG490177015
Dimensions8.65 × 8.69 × 5.12 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
8.65 mm8.69 mm2.40 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG490177015
Side View
Table 61.0%Crown 33.1°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 59.1%

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: £6,737 GBP|Low: £1,194 GBP|High: £8,443 GBP|Avg: £4,181 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
October 30, 2026
Retailer 2£1,194 GBP
Retailer 7£2,697 GBP
Retailer 10£3,020 GBP
Retailer 8£3,129 GBP
Retailer 12£3,129 GBP
Retailer 3£3,243 GBP
Retailer 4£3,611 GBP
Retailer 6£4,230 GBP
Retailer 11£4,800 GBP
Retailer 9£4,850 GBP
MOH London£6,737 GBP
Retailer 5£8,070 GBP

20 data points across 12 retailers

13 retailers£1,194 GBP to £4,850 GBP

B+
Cheapest Retailer
-
£1,194 GBP
$1,600 USD
B
Retailer 2
-
£2,697 GBP
$3,614 USD
View
B
Retailer 3
-
£2,935 GBP
$3,932 USD
View
B
Retailer 4
-
£3,020 GBP
$4,047 USD
View
Final sale: no returns
Retailer 5
-
£3,129 GBP
$4,192 USD
View
Price last confirmed 18 days ago
B
Retailer 6
-
£3,129 GBP
$4,192 USD
View
B
Retailer 7
-
£3,243 GBP
$4,345 USD
View
B
Retailer 8
-
£3,909 GBP
$5,238 USD
View
B
Retailer 9
-
£4,230 GBP
$5,668 USD
View
B
Retailer 10
-
£4,800 GBP
View
B
Retailer 11
-
£4,850 GBP
$6,499 USD
View
Most Expensive
MOH London
LG490177015 · Oct 29
£6,737 GBP
View
Price under review
11 more retailers have this diamond
Prices start from £1,194 GBPSave up to £3,656 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+
2.40ct Round
£1,194 GBP