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Round|Lab Grown|IGI

0.51ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG843690275

Shape and cutting style on the report: Round brilliant

Certificate IGI LG843690275

Diamond specifications and retailer prices

From €109 EUR
As of November 5, 2026
Save €315 EUR (74%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €969 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 LG843690275 or 843690275. Listed at 14 retailers as of November 4, 2026, with a 290% 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 angle34.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843690275
Dimensions5.10 × 5.07 × 3.16 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
5.10 mm5.07 mm0.51 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843690275
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.1%

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 5
Current: €969 EUR|Low: €124 EUR|High: €974 EUR|Avg: €318 EUR|-0.6%
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 11€124 EUR
Retailer 5€134 EUR
Retailer 4€159 EUR
Retailer 9€210 EUR
Retailer 7€216 EUR
Retailer 2€225 EUR
Retailer 6€261 EUR
Retailer 8€296 EUR
Retailer 12€335 EUR
Retailer 10€416 EUR
Retailer 3€424 EUR
MOH London€969 EUR

20 data points across 12 retailers

14 retailers€109 EUR to €424 EUR

A
Cheapest Retailer
-
€109 EUR
Retailer 2
-
€124 EUR
View
Price last confirmed 11 days ago
A
Retailer 3
-
€134 EUR
View
A
Retailer 4
-
€159 EUR
View
B+
Retailer 5
-
€210 EUR
View
B+
Retailer 6
-
€216 EUR
View
B+
Retailer 7
-
€225 EUR
View
B+
Retailer 8
-
€261 EUR
View
B+
Retailer 9
-
€296 EUR
View
B
Retailer 10
-
€335 EUR
View
B
Retailer 11
-
€373 EUR
View
B
Retailer 12
-
€416 EUR
View
B
Retailer 13
-
€424 EUR
View
Most Expensive
MOH London
LG843690275 · Nov 2
€969 EUR
£856 GBP
View
Price under review
13 more retailers have this diamond
Prices start from €109 EURSave up to €315 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
€109 EUR