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Round|Lab Grown|IGI

2.46ct I SI1 Round Lab Grown Diamond

ID • I/SI1 • IGI LG517284758

Shape and cutting style on the report: Round brilliant

Certificate IGI LG517284758

Diamond specifications and retailer prices

From £437 GBP
$585 USD
As of October 29, 2026
Save £1,926 GBP (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £2,363 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 2.46ct lab-grown round diamond

This 2.46ct lab-grown round sits in the two to three carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG517284758 or 517284758. Listed at 12 retailers as of October 29, 2026, with prices from £437 to £2,363, a £1,926 spread on the same certified stone. MOH London lists it at £2,363. 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

2.46
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG517284758
Dimensions8.62 × 8.61 × 5.38 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
8.62 mm8.61 mm2.46 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG517284758
Side View
Table 56.5%Crown 35.2°Girdle: MediumPavilion 41°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £2,363 GBP|Low: £349 GBP|High: £2,379 GBP|Avg: £1,008 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 4£437 GBP
Retailer 7£489 GBP
Retailer 5£541 GBP
Retailer 2£638 GBP
Retailer 8£728 GBP
Retailer 6£832 GBP
Retailer 10£933 GBP
Retailer 9£1,106 GBP
Retailer 3£1,343 GBP
MOH London£2,363 GBP

18 data points across 10 retailers

12 retailers£437 GBP to £2,363 GBP

A
Cheapest Retailer
-
£437 GBP
$585 USD
A
Retailer 2
-
£489 GBP
$655 USD
View
Final sale: no returns
A
Retailer 3
-
£489 GBP
$655 USD
View
Retailer 4
-
£541 GBP
$725 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
£541 GBP
$725 USD
View
A
Retailer 6
-
£638 GBP
$855 USD
View
A
Retailer 7
-
£728 GBP
$975 USD
View
A
Retailer 8
-
£832 GBP
$1,115 USD
View
A
Retailer 9
-
£1,106 GBP
$1,482 USD
View
A
Retailer 10
-
£1,343 GBP
$1,800 USD
View
A
Retailer 11
-
£1,424 GBP
$1,908 USD
View
Most Expensive
A
MOH London
LG517284758 · Oct 29
£2,363 GBP
View
11 more retailers have this diamond
Prices start from £437 GBPSave up to £1,926 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
2.46ct Round
£437 GBP