Round|Lab Grown|IGI

0.54ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • IGI LG414059668

Shape and cutting style on the report: Round brilliant

Certificate IGI LG414059668

Diamond specifications and retailer prices

From £230 GBP
As of November 5, 2026
Save £722 GBP (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,184 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 0.54ct lab-grown round diamond

This 0.54ct lab-grown round sits in the half to three-quarter carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG414059668 or 414059668. Listed at 11 retailers as of November 5, 2026, with a 314% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.54
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG414059668
Dimensions5.30 × 5.24 × 3.22 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by high pressure high temperature process (HPHT) Type II
Top View
5.30 mm5.24 mm0.54 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG414059668
Side View
Table 56.0%Crown 34°Girdle: THN-MEDPavilion 40.9°Culet: NoneDepth 61.1%

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: Nov 5
Current: £1,184 GBP|Low: £230 GBP|High: £1,201 GBP|Avg: £497 GBP|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 5, 2026
Retailer 2£230 GBP
Retailer 10£239 GBP
Retailer 13£267 GBP
Retailer 3£277 GBP
Retailer 11£296 GBP
Retailer 15£296 GBP
Retailer 5£305 GBP
Retailer 6£340 GBP
Retailer 12£480 GBP
Retailer 8£541 GBP
Retailer 4£574 GBP
Retailer 7£620 GBP
Retailer 9£869 GBP
Retailer 14£953 GBP
MOH London£1,184 GBP

20 data points across 15 retailers

11 retailers£230 GBP to £953 GBP

B+
Cheapest Retailer
-
£230 GBP
B+
Retailer 2
-
£239 GBP
View
B+
Retailer 3
-
£267 GBP
View
Final sale: no returns
B+
Retailer 4
-
£277 GBP
View
B+
Retailer 5
-
£296 GBP
View
Retailer 6
-
£296 GBP
View
Price last confirmed 12 days ago
B
Retailer 7
-
£480 GBP
View
Retailer 8
-
£541 GBP
View
Price last confirmed 8 days ago
B
Retailer 9
-
£869 GBP
View
B
Retailer 10
-
£953 GBP
View
Most Expensive
MOH London
LG414059668 · Nov 5
£1,184 GBP
View
Price under review
10 more retailers have this diamond
Prices start from £230 GBPSave up to £722 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+
0.54ct Round
£230 GBP