Round|Lab Grown|IGI

0.51ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG839617153

Shape and cutting style on the report: Round brilliant

Certificate IGI LG839617153

Diamond specifications and retailer prices

From €134 EUR
As of October 30, 2026
Save €237 EUR (64%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €782 EUR at MOH London · As of October 29, 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 LG839617153 or 839617153. Listed at 9 retailers as of October 30, 2026, with a 177% 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.8°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839617153
Dimensions5.13 × 5.08 × 3.17 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
5.13 mm5.08 mm0.51 ctF / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG839617153
Side View
Table 59.0%Crown 33.8°Girdle: MediumPavilion 41.5°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €782 EUR|Low: €116 EUR|High: €782 EUR|Avg: €332 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 4€116 EUR
Retailer 9€134 EUR
Retailer 2€200 EUR
Retailer 5€241 EUR
Retailer 3€282 EUR
Retailer 8€320 EUR
Retailer 7€371 EUR
Retailer 10€443 EUR
Retailer 6€497 EUR
MOH London€782 EUR

16 data points across 10 retailers

9 retailers€134 EUR to €371 EUR

Retailer 1
-
€116 EUR
Price last confirmed 11 days ago
B+
Retailer 2
-
€134 EUR
View
B+
Retailer 3
-
€200 EUR
View
B+
Retailer 4
-
€241 EUR
View
B+
Retailer 5
-
€254 EUR
View
B
Retailer 6
-
€320 EUR
View
B
Retailer 7
-
€371 EUR
View
Retailer 8
-
€497 EUR
View
Price last confirmed 7 days ago
Most Expensive
MOH London
LG839617153 · Oct 29
€782 EUR
£691 GBP
View
Price last confirmed 7 days ago
8 more retailers have this diamond
Prices start from €134 EURSave up to €237 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.

B+
0.51ct Round
€134 EUR