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Round|Lab Grown|IGI

0.52ct E SI2 Round Lab Grown Diamond

EX • E/SI2 • IGI LG414059675

Shape and cutting style on the report: Round brilliant

Certificate IGI LG414059675

Diamond specifications and retailer prices

From £223 GBP
As of November 5, 2026
Save £698 GBP (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,145 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 0.52ct lab-grown round diamond

This 0.52ct 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 LG414059675 or 414059675. Listed at 11 retailers as of November 5, 2026, with a 313% 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

0.52
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG414059675
Dimensions5.22 × 5.14 × 3.08 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by high pressure high temperature process (HPHT) Type II
Top View
5.22 mm5.14 mm0.52 ctE / SI2
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG414059675
Side View
Table 62.5%Crown 33°Girdle: Slightly ThickPavilion 40.7°Culet: NoneDepth 59.6%

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: £1,145 GBP|Low: £221 GBP|High: £1,161 GBP|Avg: £482 GBP|-1.3%
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 8£223 GBP
Retailer 10£231 GBP
Retailer 13£259 GBP
Retailer 3£267 GBP
Retailer 11£286 GBP
Retailer 15£286 GBP
Retailer 5£295 GBP
Retailer 6£334 GBP
Retailer 12£467 GBP
Retailer 2£522 GBP
Retailer 4£559 GBP
Retailer 7£599 GBP
Retailer 9£880 GBP
Retailer 14£921 GBP
MOH London£1,145 GBP

21 data points across 15 retailers

11 retailers£223 GBP to £921 GBP

B+
Cheapest Retailer
-
£223 GBP
B+
Retailer 2
-
£231 GBP
View
B
Retailer 3
-
£259 GBP
View
Final sale: no returns
B+
Retailer 4
-
£267 GBP
View
B
Retailer 5
-
£286 GBP
View
Retailer 6
-
£286 GBP
View
Price last confirmed 12 days ago
B
Retailer 7
-
£467 GBP
View
B
Retailer 8
-
£522 GBP
View
B
Retailer 9
-
£880 GBP
View
B
Retailer 10
-
£921 GBP
View
Most Expensive
MOH London
LG414059675 · Nov 5
£1,145 GBP
View
Price under review
10 more retailers have this diamond
Prices start from £223 GBPSave up to £698 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+
0.52ct Round
£223 GBP