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Round|Lab Grown|IGI

0.51ct F VS1 Round Lab Grown Diamond

VG • F/VS1 • IGI LG844633322

Shape and cutting style on the report: Round brilliant

Certificate IGI LG844633322

Diamond specifications and retailer prices

From £97 GBP
As of November 1, 2026
Save £537 GBP (85%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £633 GBP 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 very-good cut grade and certified by IGI LG844633322 or 844633322. Listed at 9 retailers as of November 1, 2026, with prices from £97 to £633, a £537 spread on the same certified stone. MOH London lists it at £633. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
F
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844633322
Dimensions5.12 × 5.06 × 3.10 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
5.12 mm5.06 mm0.51 ctF / VS1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG844633322
Side View
Table 62.0%Crown 33.7°Girdle: STK-THKPavilion 40.9°Culet: NoneDepth 60.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £633 GBP|Low: £56 GBP|High: £634 GBP|Avg: £237 GBP|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 3, 2026
Retailer 7£97 GBP
Retailer 9£108 GBP
Retailer 8£141 GBP
Retailer 3£162 GBP
Retailer 5£195 GBP
Retailer 4£231 GBP
Retailer 2£258 GBP
Retailer 6£408 GBP
MOH London£633 GBP

11 data points across 9 retailers

9 retailers£97 GBP to £633 GBP

A
Cheapest Retailer
-
£97 GBP
B+
Retailer 2
-
£108 GBP
View
Retailer 3
-
£141 GBP
View
Price last confirmed 13 days ago
B+
Retailer 4
-
£162 GBP
View
B
Retailer 5
-
£195 GBP
View
B+
Retailer 6
-
£208 GBP
View
B
Retailer 7
-
£258 GBP
View
B
Retailer 8
-
£408 GBP
View
Most Expensive
B
MOH London
LG844633322 · Nov 2
£633 GBP
View
8 more retailers have this diamond
Prices start from £97 GBPSave up to £537 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
£97 GBP