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Radiant|Lab Grown|IGI

0.51ct F VVS1 Radiant Lab Grown Diamond

ID • F/VVS1 • IGI LG841689944

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG841689944

Diamond specifications and retailer prices

From £151 GBP
$202 USD
As of November 1, 2026
Save £250 GBP (62%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £929 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 0.51ct lab-grown radiant diamond

This 0.51ct lab-grown radiant sits in the half to three-quarter carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG841689944 or 841689944. Listed at 8 retailers as of October 31, 2026, with a 166% 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle42.9°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841689944
Dimensions5.60 × 4.09 × 2.63 mm
L/W Ratio1.37
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.60 mm4.09 mm0.51 ctF / VVS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG841689944
Side View
Table 73.0%Crown 42.9°Girdle: Slightly ThickPavilion 34.9°CuletDepth 64.3%

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: £929 GBP|Low: £151 GBP|High: £934 GBP|Avg: £386 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 6£151 GBP
Retailer 2£216 GBP
Retailer 3£229 GBP
Retailer 4£269 GBP
Retailer 5£400 GBP
MOH London£929 GBP

19 data points across 6 retailers

8 retailers£151 GBP to £400 GBP

A
Cheapest Retailer
-
£151 GBP
$202 USD
B+
Retailer 2
-
£212 GBP
$285 USD
View
B+
Retailer 3
-
£216 GBP
€276 EUR
View
B+
Retailer 4
-
£229 GBP
View
B+
Retailer 5
-
£269 GBP
View
B
Retailer 6
-
£306 GBP
$410 USD
View
B
Retailer 7
-
£400 GBP
$537 USD
View
Most Expensive
MOH London
LG841689944 · Nov 2
£929 GBP
View
Price under review
7 more retailers have this diamond
Prices start from £151 GBPSave up to £250 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 Radiant
£151 GBP