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Round|Lab Grown|IGI

0.51ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG837607579

Shape and cutting style on the report: Round brilliant

Certificate IGI LG837607579

Diamond specifications and retailer prices

From £104 GBP
As of November 4, 2026
Save £259 GBP (71%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £829 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 0.51ct lab-grown round diamond

This 0.51ct lab-grown round sits in the half to three-quarter carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837607579 or 837607579. Listed at 13 retailers as of November 4, 2026, with a 249% 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
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837607579
Dimensions5.17 × 5.19 × 3.11 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.17 mm5.19 mm0.51 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837607579
Side View
Table 59.0%Crown 32.8°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.0%

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: £829 GBP|Low: £104 GBP|High: £842 GBP|Avg: £276 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
Retailer 12
November 5, 2026
Retailer 5£104 GBP
Retailer 3£114 GBP
Retailer 8£180 GBP
Retailer 7£181 GBP
Retailer 2£195 GBP
Retailer 9£218 GBP
Retailer 11£233 GBP
Retailer 6£253 GBP
Retailer 10£280 GBP
Retailer 12£320 GBP
Retailer 4£363 GBP
MOH London£829 GBP

43 data points across 12 retailers

13 retailers£104 GBP to £363 GBP

A
Cheapest Retailer
-
£104 GBP
A
Retailer 2
-
£114 GBP
View
B+
Retailer 3
-
£180 GBP
View
B+
Retailer 4
-
£181 GBP
View
B+
Retailer 5
-
£195 GBP
View
B+
Retailer 6
-
£201 GBP
View
Retailer 7
-
£218 GBP
View
Price last confirmed 31 days ago
B
Retailer 8
-
£233 GBP
View
B+
Retailer 9
-
£253 GBP
View
B
Retailer 10
-
£280 GBP
View
B
Retailer 11
-
£320 GBP
View
B
Retailer 12
-
£363 GBP
View
Most Expensive
MOH London
LG837607579 · Nov 5
£829 GBP
View
Price under review
12 more retailers have this diamond
Prices start from £104 GBPSave up to £259 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 Round
£104 GBP