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Round|Lab Grown|IGI

2.54ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG476186139

Shape and cutting style on the report: Round brilliant

Certificate IGI LG476186139

Diamond specifications and retailer prices

From £1,040 GBP
As of November 5, 2026
Save £5,536 GBP (84%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £6,576 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 2.54ct lab-grown round diamond

This 2.54ct 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 LG476186139 or 476186139. Listed at 10 retailers as of November 5, 2026, with prices from £1,040 to £6,576, a £5,536 spread on the same certified stone. MOH London lists it at £6,576. 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

2.54
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG476186139
Dimensions8.89 × 8.91 × 5.23 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
8.89 mm8.91 mm2.54 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG476186139
Side View
Table 59.5%Crown 31.9°GirdlePavilion 40.3°Culet: NoneDepth 58.8%

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: Nov 5
Current: £6,576 GBP|Low: £1,040 GBP|High: £6,682 GBP|Avg: £3,403 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 5£1,040 GBP
Retailer 4£2,242 GBP
Retailer 9£2,440 GBP
Retailer 8£2,511 GBP
Retailer 6£2,601 GBP
Retailer 11£3,136 GBP
Retailer 10£3,251 GBP
Retailer 2£3,661 GBP
Retailer 7£4,041 GBP
Retailer 3£5,822 GBP
MOH London£6,576 GBP

18 data points across 11 retailers

10 retailers£1,040 GBP to £6,576 GBP

A
Cheapest Retailer
-
£1,040 GBP
B+
Retailer 2
-
£2,242 GBP
View
B+
Retailer 3
-
£2,440 GBP
View
B+
Retailer 4
-
£2,511 GBP
View
Final sale: no returns
B+
Retailer 5
-
£2,601 GBP
View
Retailer 6
-
£2,601 GBP
View
Price last confirmed 25 days ago
B
Retailer 7
-
£3,251 GBP
View
B
Retailer 8
-
£3,661 GBP
View
B
Retailer 9
-
£4,041 GBP
View
Most Expensive
B
MOH London
LG476186139 · Nov 5
£6,576 GBP
View
9 more retailers have this diamond
Prices start from £1,040 GBPSave up to £5,536 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
2.54ct Round
£1,040 GBP