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Radiant|Lab Grown|IGI

0.51ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG763668076

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

Certificate IGI LG763668076

Diamond specifications and retailer prices

From £174 GBP
As of November 4, 2026
Save £503 GBP (74%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £677 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG763668076 or 763668076. Listed at 10 retailers as of November 2, 2026, with prices from £174 to £677, a £503 spread on the same certified stone. MOH London lists it at £677. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle25.8°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG763668076
Dimensions5.84 × 3.96 × 2.59 mm
L/W Ratio1.47
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 Faint Blue
Top View
5.84 mm3.96 mm0.51 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG763668076
Side View
Table 66.0%Crown 25.8°Girdle: Slightly ThickPavilion 36°Culet: NoneDepth 65.4%

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 4
Current: £677 GBP|Low: £167 GBP|High: £686 GBP|Avg: £296 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 2£185 GBP
Retailer 7£187 GBP
Retailer 5£193 GBP
Retailer 11£211 GBP
Retailer 4£222 GBP
Retailer 9£257 GBP
Retailer 8£263 GBP
Retailer 6£274 GBP
Retailer 10£339 GBP
Retailer 3£461 GBP
MOH London£677 GBP

22 data points across 11 retailers

10 retailers£174 GBP to £677 GBP

A
Cheapest Retailer
-
£174 GBP
A
Retailer 2
-
£185 GBP
View
A
Retailer 3
-
£187 GBP
View
B+
Retailer 4
-
£193 GBP
View
B+
Retailer 5
-
£222 GBP
View
B
Retailer 6
-
£262 GBP
View
B
Retailer 7
-
£263 GBP
View
B+
Retailer 8
-
£274 GBP
View
B
Retailer 9
-
£339 GBP
View
Most Expensive
B
MOH London
LG763668076 · Nov 2
£677 GBP
View
9 more retailers have this diamond
Prices start from £174 GBPSave up to £503 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
£174 GBP