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Cushion|Lab Grown|IGI

0.51ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG846693914

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG846693914

Diamond specifications and retailer prices

From £132 GBP
As of November 4, 2026
Save £674 GBP (84%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £806 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 0.51ct lab-grown cushion diamond

This 0.51ct lab-grown cushion 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 LG846693914 or 846693914. Listed at 7 retailers as of November 4, 2026, with prices from £132 to £806, a £674 spread on the same certified stone. MOH London lists it at £806. 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
SymmetryVery Good
FluorescenceNone
Crown angle35°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846693914
Dimensions4.63 × 4.62 × 3.04 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
4.63 mm4.62 mm0.51 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG846693914
Side View
Table 60.0%Crown 35°Girdle: MED-THKPavilion 39°Culet: NoneDepth 65.8%

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: £806 GBP|Low: £132 GBP|High: £808 GBP|Avg: £282 GBP|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 6£132 GBP
Retailer 3£187 GBP
Retailer 7£233 GBP
Retailer 4£268 GBP
Retailer 2£279 GBP
Retailer 5£354 GBP
MOH London£806 GBP

9 data points across 7 retailers

7 retailers£132 GBP to £806 GBP

A
Cheapest Retailer
-
£132 GBP
A
Retailer 2
-
£187 GBP
View
B+
Retailer 3
-
£233 GBP
View
B+
Retailer 4
-
£268 GBP
View
B+
Retailer 5
-
£279 GBP
View
B
Retailer 6
-
£354 GBP
View
Most Expensive
B
MOH London
LG846693914 · Nov 5
£806 GBP
View
6 more retailers have this diamond
Prices start from £132 GBPSave up to £674 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 Cushion
£132 GBP