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Radiant|Lab Grown|IGI

0.51ct D VS2 Radiant Lab Grown Diamond

ID • D/VS2 • IGI LG779633443

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

Certificate IGI LG779633443

Diamond specifications and retailer prices

From £198 GBP
As of November 1, 2026
Save £167 GBP (46%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £995 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 D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG779633443 or 779633443. Listed at 10 retailers as of October 30, 2026, with a 84% 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
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle23.1°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG779633443
Dimensions5.56 × 4.07 × 2.57 mm
L/W Ratio1.37
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.56 mm4.07 mm0.51 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG779633443
Side View
Table 65.0%Crown 23.1°Girdle: ThickPavilion 34.6°Culet: NoneDepth 63.1%

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: £995 GBP|Low: £189 GBP|High: £1,002 GBP|Avg: £343 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 5£194 GBP
Retailer 2£198 GBP
Retailer 7£227 GBP
Retailer 3£229 GBP
Retailer 4£230 GBP
Retailer 8£288 GBP
Retailer 6£295 GBP
Retailer 9£357 GBP
Retailer 10£423 GBP
MOH London£995 GBP

45 data points across 10 retailers

10 retailers£198 GBP to £365 GBP

Retailer 1
-
£194 GBP
$260 USD
Price last confirmed 13 days ago
A
Retailer 2
-
£198 GBP
View
B+
Retailer 3
-
£227 GBP
$304 USD
View
B+
Retailer 4
-
£229 GBP
A$473 AUD
View
B+
Retailer 5
-
£230 GBP
€293 EUR
View
B+
Retailer 6
-
£288 GBP
$386 USD
View
Retailer 7
-
£295 GBP
View
Price last confirmed 27 days ago
B
Retailer 8
-
£365 GBP
$489 USD
View
Retailer 9
-
£423 GBP
$567 USD
View
Price last confirmed 14 days ago
Most Expensive
MOH London
LG779633443 · Oct 29
£995 GBP
View
Price under review
9 more retailers have this diamond
Prices start from £198 GBPSave up to £167 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
£198 GBP