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Radiant|Lab Grown|IGI

0.51ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG797644768

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

Certificate IGI LG797644768

Diamond specifications and retailer prices

From £126 GBP
$169 USD
As of October 30, 2026
Save £608 GBP (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £734 GBP at MOH London · As of October 29, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG797644768 or 797644768. Listed at 11 retailers as of October 29, 2026, with prices from £126 to £734, a £608 spread on the same certified stone. MOH London lists it at £734. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle26.4°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797644768
Dimensions5.84 × 4.01 × 2.58 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.84 mm4.01 mm0.51 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797644768
Side View
Table 65.0%Crown 26.4°Girdle: MediumPavilion 35.1°Culet: NoneDepth 64.3%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: £734 GBP|Low: £126 GBP|High: £853 GBP|Avg: £362 GBP|-12.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 8£126 GBP
Retailer 7£146 GBP
Retailer 10£156 GBP
Retailer 6£250 GBP
Retailer 2£272 GBP
Retailer 11£279 GBP
Retailer 4£280 GBP
Retailer 5£398 GBP
Retailer 9£502 GBP
Retailer 3£547 GBP
MOH London£734 GBP

41 data points across 11 retailers

11 retailers£126 GBP to £734 GBP

A
Cheapest Retailer
-
£126 GBP
$169 USD
A
Retailer 2
-
£146 GBP
$196 USD
View
A
Retailer 3
-
£156 GBP
$210 USD
View
B+
Retailer 4
-
£250 GBP
A$517 AUD
View
B+
Retailer 5
-
£272 GBP
€347 EUR
View
B+
Retailer 6
-
£279 GBP
$375 USD
View
B+
Retailer 7
-
£280 GBP
View
Retailer 8
-
£398 GBP
A$822 AUD
View
Price last confirmed 7 days ago
B
Retailer 9
-
£502 GBP
$674 USD
View
B
Retailer 10
-
£547 GBP
$734 USD
View
Most Expensive
B
MOH London
LG797644768 · Oct 29
£734 GBP
View
10 more retailers have this diamond
Prices start from £126 GBPSave up to £608 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
£126 GBP