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Cushion|Lab Grown|IGI

0.51ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG842629865

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG842629865

Diamond specifications and retailer prices

From £114 GBP
As of November 4, 2026
Save £692 GBP (86%) vs most expensive(unlock to see where)
13 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 LG842629865 or 842629865. Listed at 13 retailers as of November 4, 2026, with prices from £114 to £806, a £692 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.3°
Pavilion angle32.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842629865
Dimensions5.44 × 4.15 × 2.62 mm
L/W Ratio1.31
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.44 mm4.15 mm0.51 ctF / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG842629865
Side View
Table 63.0%Crown 34.3°Girdle: STK-THKPavilion 32.7°Culet: NoneDepth 63.1%

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: Nov 4
Current: £806 GBP|Low: £114 GBP|High: £818 GBP|Avg: £260 GBP|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 4£114 GBP
Retailer 13£173 GBP
Retailer 10£175 GBP
Retailer 3£182 GBP
Retailer 2£187 GBP
Retailer 8£195 GBP
Retailer 5£208 GBP
Retailer 9£227 GBP
Retailer 7£233 GBP
Retailer 12£273 GBP
Retailer 11£279 GBP
Retailer 6£354 GBP
MOH London£806 GBP

20 data points across 13 retailers

13 retailers£114 GBP to £806 GBP

A
Cheapest Retailer
-
£114 GBP
Retailer 2
-
£173 GBP
View
Price last confirmed 13 days ago
A
Retailer 3
-
£175 GBP
View
Retailer 4
-
£182 GBP
View
Price last confirmed 15 days ago
A
Retailer 5
-
£187 GBP
View
B+
Retailer 6
-
£195 GBP
View
B+
Retailer 7
-
£208 GBP
View
B+
Retailer 8
-
£227 GBP
View
B+
Retailer 9
-
£233 GBP
View
B+
Retailer 10
-
£273 GBP
View
B+
Retailer 11
-
£279 GBP
View
B
Retailer 12
-
£354 GBP
View
Most Expensive
B
MOH London
LG842629865 · Nov 5
£806 GBP
View
12 more retailers have this diamond
Prices start from £114 GBPSave up to £692 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
£114 GBP