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Princess|Lab Grown|IGI

0.51ct F VVS1 Princess Lab Grown Diamond

VG • F/VVS1 • IGI LG786609109

Shape and cutting style on the report: Princess cut

Certificate IGI LG786609109

Diamond specifications and retailer prices

From £192 GBP
As of November 5, 2026
Save £224 GBP (54%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £971 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 0.51ct lab-grown princess diamond

This 0.51ct lab-grown princess sits in the half to three-quarter carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG786609109 or 786609109. Listed at 8 retailers as of November 4, 2026, with a 117% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786609109
Dimensions4.45 × 4.45 × 3.08 mm
L/W Ratio1.00
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
4.45 mm4.45 mm0.51 ctF / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786609109
Side View
Table 71.0%Crown 37.3°Girdle: MED-STKPavilion 38.1°Culet: NoneDepth 69.2%

Caratlytics Score

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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 5
Current: £971 GBP|Low: £165 GBP|High: £985 GBP|Avg: £334 GBP|-1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 9£177 GBP
Retailer 2£192 GBP
Retailer 6£222 GBP
Retailer 3£238 GBP
Retailer 5£275 GBP
Retailer 4£281 GBP
Retailer 7£285 GBP
Retailer 8£417 GBP
MOH London£971 GBP

33 data points across 9 retailers

8 retailers£192 GBP to £417 GBP

A
Cheapest Retailer
-
£192 GBP
B+
Retailer 2
-
£222 GBP
View
B+
Retailer 3
-
£238 GBP
View
B
Retailer 4
-
£275 GBP
View
B+
Retailer 5
-
£281 GBP
View
B+
Retailer 6
-
£285 GBP
View
B
Retailer 7
-
£417 GBP
View
Most Expensive
MOH London
LG786609109 · Nov 5
£971 GBP
View
Price under review
7 more retailers have this diamond
Prices start from £192 GBPSave up to £224 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 Princess
£192 GBP