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2.40ct H SI1 Round Lab Grown Diamond

ID • H/SI1 • IGI LG653409237

Shape and cutting style on the report: Round brilliant

Certificate IGI LG653409237

Diamond specifications and retailer prices

From £447 GBP
$599 USD
As of October 30, 2026
Save £765 GBP (63%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,212 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG653409237 or 653409237. Listed at 5 retailers as of October 29, 2026, with prices from £447 to £1,212, a £765 spread on the same certified stone. MOH London lists it at £1,212. 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
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG653409237
Dimensions8.62 × 8.58 × 5.31 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.62 mm8.58 mm2.40 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG653409237
Side View
Table 55.0%Crown 34°Girdle: MediumPavilion 40.8°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 30
Current: £1,212 GBP|Low: £414 GBP|High: £1,220 GBP|Avg: £735 GBP|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 28, 2026
Retailer 6£414 GBP
Retailer 3£447 GBP
Retailer 4£493 GBP
Retailer 2£899 GBP
Retailer 5£925 GBP
MOH London£1,212 GBP

12 data points across 6 retailers

5 retailers£447 GBP to £1,212 GBP

B+
Cheapest Retailer
-
£447 GBP
$599 USD
A
Retailer 2
-
£493 GBP
$661 USD
View
A
Retailer 3
-
£899 GBP
$1,205 USD
View
A
Retailer 4
-
£925 GBP
$1,240 USD
View
Most Expensive
A
MOH London
LG653409237 · Oct 29
£1,212 GBP
View
4 more retailers have this diamond
Prices start from £447 GBPSave up to £765 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
£447 GBP