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Radiant|Lab Grown|IGI

0.51ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG542237459

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

Certificate IGI LG542237459

Diamond specifications and retailer prices

From £92 GBP
As of November 4, 2026
Save £613 GBP (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £950 GBP at MOH London · As of November 5, 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG542237459 or 542237459. Listed at 19 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
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.3°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG542237459
Dimensions5.59 × 3.97 × 2.67 mm
L/W Ratio1.41
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
5.59 mm3.97 mm0.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG542237459
Side View
Table 65.0%Crown 43.3°Girdle: MED-STKPavilion 34.4°Culet: NoneDepth 67.3%

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: Nov 4
Current: £950 GBP|Low: £88 GBP|High: £964 GBP|Avg: £305 GBP|-0.4%
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
November 5, 2026
Retailer 15£92 GBP
Retailer 9£103 GBP
Retailer 4£107 GBP
Retailer 5£121 GBP
Retailer 16£121 GBP
Retailer 11£207 GBP
Retailer 12£207 GBP
Retailer 17£219 GBP
Retailer 2£235 GBP
Retailer 13£276 GBP
Retailer 6£283 GBP
Retailer 10£290 GBP
Retailer 3£367 GBP
Retailer 14£387 GBP
Retailer 7£409 GBP
Retailer 8£705 GBP
MOH London£950 GBP

46 data points across 17 retailers

19 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
A
Retailer 4
-
£121 GBP
View
Retailer 5
-
£121 GBP
View
Price last confirmed 11 days ago
B+
Retailer 6
-
£207 GBP
View
B+
Retailer 7
-
£207 GBP
View
B+
Retailer 8
-
£219 GBP
View
B+
Retailer 9
-
£235 GBP
View
B+
Retailer 10
-
£237 GBP
View
Retailer 11
-
£276 GBP
View
Price last confirmed 6 days ago
B+
Retailer 12
-
£283 GBP
View
B+
Retailer 13
-
£290 GBP
View
B
Retailer 14
-
£367 GBP
View
B
Retailer 15
-
£387 GBP
View
B
Retailer 16
-
£409 GBP
View
B
Retailer 17
-
£598 GBP
View
B
Retailer 18
-
£705 GBP
View
Most Expensive
MOH London
LG542237459 · Nov 5
£950 GBP
View
Price under review
18 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