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Round|Lab Grown|IGI

0.51ct F VVS2 Round Lab Grown Diamond

ID • F/VVS2 • IGI LG823603512

Shape and cutting style on the report: Round brilliant

Certificate IGI LG823603512

Diamond specifications and retailer prices

From £126 GBP
As of November 4, 2026
Save £404 GBP (76%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,041 GBP at MOH London · As of November 1, 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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG823603512 or 823603512. Listed at 8 retailers as of November 4, 2026, with a 321% 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
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823603512
Dimensions5.24 × 5.18 × 3.15 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.24 mm5.18 mm0.51 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823603512
Side View
Table 56.0%Crown 33.5°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.7%

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: £1,041 GBP|Low: £126 GBP|High: £1,055 GBP|Avg: £367 GBP|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 3£126 GBP
Retailer 7£154 GBP
Retailer 2£209 GBP
Retailer 4£249 GBP
Retailer 5£304 GBP
Retailer 6£337 GBP
Retailer 8£530 GBP
MOH London£1,041 GBP

40 data points across 8 retailers

8 retailers£126 GBP to £530 GBP

A
Cheapest Retailer
-
£126 GBP
A
Retailer 2
-
£154 GBP
View
B+
Retailer 3
-
£209 GBP
View
B+
Retailer 4
-
£249 GBP
View
B
Retailer 5
-
£304 GBP
View
B
Retailer 6
-
£337 GBP
View
B
Retailer 7
-
£530 GBP
View
Most Expensive
MOH London
LG823603512 · Nov 1
£1,041 GBP
View
Price under review
7 more retailers have this diamond
Prices start from £126 GBPSave up to £404 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
£126 GBP