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Cushion|Lab Grown|IGI

1.51ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG835666021

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG835666021

Diamond specifications and retailer prices

From £214 GBP
As of November 5, 2026
Save £663 GBP (76%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £877 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.51ct lab-grown cushion diamond

This 1.51ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG835666021 or 835666021. Listed at 8 retailers as of November 2, 2026, with prices from £214 to £877, a £663 spread on the same certified stone. MOH London lists it at £877. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835666021
Dimensions8.54 × 5.78 × 3.92 mm
L/W Ratio1.48
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.54 mm5.78 mm1.51 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835666021
Side View
Table 62.0%Crown 33.1°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 67.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: £877 GBP|Low: £214 GBP|High: £881 GBP|Avg: £593 GBP|+11.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 3£214 GBP
Retailer 6£317 GBP
Retailer 7£433 GBP
Retailer 5£437 GBP
Retailer 4£681 GBP
Retailer 2£759 GBP
Retailer 8£786 GBP
MOH London£877 GBP

30 data points across 8 retailers

8 retailers£214 GBP to £877 GBP

A
Cheapest Retailer
-
£214 GBP
A
Retailer 2
-
£317 GBP
View
A
Retailer 3
-
£433 GBP
View
A
Retailer 4
-
£437 GBP
View
B+
Retailer 5
-
£681 GBP
View
B+
Retailer 6
-
£759 GBP
View
Retailer 7
-
£786 GBP
View
Price last confirmed 25 days ago
Most Expensive
B
MOH London
LG835666021 · Nov 2
£877 GBP
View
7 more retailers have this diamond
Prices start from £214 GBPSave up to £663 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
1.51ct Cushion
£214 GBP