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Round|Lab Grown|IGI

2.40ct I SI2 Round Lab Grown Diamond

ID • I/SI2 • IGI LG488141600

Shape and cutting style on the report: Round brilliant

Certificate IGI LG488141600

Diamond specifications and retailer prices

From £1,599 GBP
$2,130 USD
As of October 29, 2026
Save £4,734 GBP (75%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £6,333 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG488141600 or 488141600. Listed at 10 retailers as of October 29, 2026, with prices from £1,599 to £6,333, a £4,734 spread on the same certified stone. MOH London lists it at £6,333. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.40
Carat
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG488141600
Dimensions8.55 × 8.56 × 5.29 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
8.55 mm8.56 mm2.40 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG488141600
Side View
Table 56.5%Crown 35.9°GirdlePavilion 40.2°Culet: NoneDepth 61.8%

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 29
Current: £6,333 GBP|Low: £1,599 GBP|High: £6,384 GBP|Avg: £3,554 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 3£1,599 GBP
Retailer 5£2,331 GBP
Retailer 6£2,400 GBP
Retailer 7£3,006 GBP
Retailer 2£3,571 GBP
Retailer 4£3,866 GBP
Retailer 8£5,563 GBP
MOH London£6,333 GBP

14 data points across 8 retailers

10 retailers£1,599 GBP to £6,333 GBP

A
Cheapest Retailer
-
£1,599 GBP
$2,130 USD
B+
Retailer 2
-
£2,142 GBP
$2,853 USD
View
B+
Retailer 3
-
£2,331 GBP
$3,104 USD
View
B+
Retailer 4
-
£2,400 GBP
$3,196 USD
View
Final sale: no returns
B+
Retailer 5
-
£2,486 GBP
$3,310 USD
View
Retailer 6
-
£2,486 GBP
$3,310 USD
View
Price last confirmed 17 days ago
B
Retailer 7
-
£3,417 GBP
$4,550 USD
View
B
Retailer 8
-
£3,571 GBP
$4,756 USD
View
B
Retailer 9
-
£3,866 GBP
$5,148 USD
View
Most Expensive
B
MOH London
LG488141600 · Oct 29
£6,333 GBP
View
9 more retailers have this diamond
Prices start from £1,599 GBPSave up to £4,734 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.

A
2.40ct Round
£1,599 GBP