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Radiant|Lab Grown|IGI

0.51ct H VS2 Radiant Lab Grown Diamond

ID • H/VS2 • IGI LG539235838

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG539235838

Diamond specifications and retailer prices

From £92 GBP
As of November 4, 2026
Save £613 GBP (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £954 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 0.51ct lab-grown radiant diamond

This 0.51ct lab-grown radiant sits in the half to three-quarter carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG539235838 or 539235838. Listed at 16 retailers as of November 4, 2026, with a 668% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
H
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.4°
Pavilion angle32.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG539235838
Dimensions5.49 × 3.94 × 2.67 mm
L/W Ratio1.39
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
5.49 mm3.94 mm0.51 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG539235838
Side View
Table 66.0%Crown 45.4°Girdle: MED-STKPavilion 32.8°Culet: NoneDepth 67.8%

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 4
Current: £954 GBP|Low: £88 GBP|High: £1,311 GBP|Avg: £394 GBP
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 1, 2026
Retailer 14£92 GBP
Retailer 4£103 GBP
Retailer 18£107 GBP
Retailer 15£121 GBP
Retailer 19£121 GBP
Retailer 7£177 GBP
Retailer 2£200 GBP
Retailer 17£220 GBP
Retailer 12£276 GBP
Retailer 3£283 GBP
Retailer 10£322 GBP
Retailer 16£367 GBP
Retailer 13£388 GBP
Retailer 8£409 GBP
Retailer 11£444 GBP
Retailer 5£598 GBP
Retailer 6£705 GBP
MOH London£954 GBP
Retailer 9£1,311 GBP

17 data points across 19 retailers

16 retailers£92 GBP to £705 GBP

A
Cheapest Retailer
-
£92 GBP
A
Retailer 2
-
£103 GBP
View
Final sale: no returns
A
Retailer 3
-
£107 GBP
View
Retailer 4
-
£121 GBP
View
Price last confirmed 10 days ago
A
Retailer 5
-
£121 GBP
View
B+
Retailer 6
-
£200 GBP
View
B+
Retailer 7
-
£220 GBP
View
B+
Retailer 8
-
£276 GBP
View
B+
Retailer 9
-
£283 GBP
View
B
Retailer 10
-
£322 GBP
View
B
Retailer 11
-
£367 GBP
View
B
Retailer 12
-
£388 GBP
View
B
Retailer 13
-
£409 GBP
View
B
Retailer 14
-
£598 GBP
View
B
Retailer 15
-
£705 GBP
View
Most Expensive
MOH London
LG539235838 · Nov 1
£954 GBP
View
Price under review
15 more retailers have this diamond
Prices start from £92 GBPSave up to £613 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
0.51ct Radiant
£92 GBP