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Round|Lab Grown|IGI

0.51ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG830604778

Shape and cutting style on the report: Round brilliant

Certificate IGI LG830604778

Diamond specifications and retailer prices

From €125 EUR
As of November 4, 2026
Save €500 EUR (80%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €1,218 EUR at MOH London · As of November 2, 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 LG830604778 or 830604778. Listed at 8 retailers as of November 4, 2026, with a 401% 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 angle32.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830604778
Dimensions5.20 × 5.18 × 3.13 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
5.20 mm5.18 mm0.51 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830604778
Side View
Table 59.0%Crown 32.9°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 60.3%

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: €1,218 EUR|Low: €125 EUR|High: €1,224 EUR|Avg: €388 EUR|+54.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 3€125 EUR
Retailer 7€181 EUR
Retailer 9€194 EUR
Retailer 2€242 EUR
Retailer 8€261 EUR
Retailer 5€331 EUR
Retailer 4€347 EUR
Retailer 6€625 EUR
MOH London€1,218 EUR

17 data points across 9 retailers

8 retailers€125 EUR to €625 EUR

A
Cheapest Retailer
-
€125 EUR
B+
Retailer 2
-
€181 EUR
View
B+
Retailer 3
-
€242 EUR
View
Retailer 4
-
€261 EUR
View
Price last confirmed 37 days ago
Retailer 5
-
€331 EUR
View
Price last confirmed 7 days ago
B
Retailer 6
-
€347 EUR
View
B
Retailer 7
-
€625 EUR
View
Most Expensive
MOH London
LG830604778 · Nov 2
€1,218 EUR
£1,076 GBP
View
Price under review
7 more retailers have this diamond
Prices start from €125 EURSave up to €500 EUR

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
€125 EUR