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Radiant|Lab Grown|IGI

0.51ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG773645497

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

Certificate IGI LG773645497

Diamond specifications and retailer prices

From £175 GBP
$235 USD
As of November 1, 2026
Save £566 GBP (76%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £893 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG773645497 or 773645497. Listed at 7 retailers as of October 31, 2026, with a 323% 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG773645497
Dimensions3.82 × 3.82 × 2.83 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
3.82 mm3.82 mm0.51 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG773645497
Side View
Table 61.0%Crown 35.2°Girdle: Slightly ThickPavilion 36.2°Culet: NoneDepth 74.1%

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: £893 GBP|Low: £175 GBP|High: £933 GBP|Avg: £364 GBP|-3.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 4£175 GBP
Retailer 8£181 GBP
Retailer 6£210 GBP
Retailer 7£213 GBP
Retailer 3£218 GBP
Retailer 2£258 GBP
Retailer 9£309 GBP
Retailer 5£742 GBP
MOH London£893 GBP

17 data points across 9 retailers

7 retailers£175 GBP to £742 GBP

A
Cheapest Retailer
-
£175 GBP
$235 USD
B+
Retailer 2
-
£210 GBP
$282 USD
View
Retailer 3
-
£213 GBP
A$440 AUD
View
Price last confirmed 86 days ago
B+
Retailer 4
-
£218 GBP
View
B+
Retailer 5
-
£258 GBP
View
B
Retailer 6
-
£742 GBP
$995 USD
View
Most Expensive
MOH London
LG773645497 · Nov 2
£893 GBP
View
Price under review
6 more retailers have this diamond
Prices start from £175 GBPSave up to £566 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
£175 GBP