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Radiant|Lab Grown|IGI

0.51ct F VVS1 Radiant Lab Grown Diamond

EX • F/VVS1 • IGI LG805648981

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

Certificate IGI LG805648981

Diamond specifications and retailer prices

From £88 GBP
As of November 5, 2026
Save £733 GBP (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £821 GBP at MOH London · As of November 5, 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 LG805648981 or 805648981. Listed at 17 retailers as of November 5, 2026, with prices from £88 to £821, a £733 spread on the same certified stone. MOH London lists it at £821. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.2°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805648981
Dimensions5.60 × 3.94 × 2.75 mm
L/W Ratio1.42
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.60 mm3.94 mm0.51 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805648981
Side View
Table 63.0%Crown 40.2°Girdle: Slightly ThickPavilion 37.5°Culet: NoneDepth 69.8%

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: £821 GBP|Low: £88 GBP|High: £862 GBP|Avg: £294 GBP|-4.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 5, 2026
Retailer 15£88 GBP
Retailer 14£92 GBP
Retailer 6£135 GBP
Retailer 4£180 GBP
Retailer 2£193 GBP
Retailer 16£196 GBP
Retailer 10£201 GBP
Retailer 13£238 GBP
Retailer 8£250 GBP
Retailer 3£253 GBP
Retailer 9£287 GBP
Retailer 5£325 GBP
Retailer 12£353 GBP
Retailer 11£360 GBP
Retailer 7£521 GBP
MOH London£821 GBP

24 data points across 16 retailers

17 retailers£88 GBP to £821 GBP

A
Cheapest Retailer
-
£88 GBP
Final sale: no returns
A
Retailer 2
-
£92 GBP
View
A
Retailer 3
-
£135 GBP
View
A
Retailer 4
-
£180 GBP
View
B+
Retailer 5
-
£193 GBP
View
B+
Retailer 6
-
£196 GBP
View
B+
Retailer 7
-
£201 GBP
View
B+
Retailer 8
-
£238 GBP
View
Retailer 9
-
£250 GBP
View
Price last confirmed 13 days ago
B+
Retailer 10
-
£253 GBP
View
B+
Retailer 11
-
£287 GBP
View
B
Retailer 12
-
£305 GBP
View
B+
Retailer 13
-
£325 GBP
View
B
Retailer 14
-
£353 GBP
View
B
Retailer 15
-
£360 GBP
View
B
Retailer 16
-
£521 GBP
View
Most Expensive
B
MOH London
LG805648981 · Nov 5
£821 GBP
View
16 more retailers have this diamond
Prices start from £88 GBPSave up to £733 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
£88 GBP