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Cushion|Lab Grown|IGI

1.51ct F VS2 Cushion Lab Grown Diamond

ID • F/VS2 • IGI LG851618018

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG851618018

Diamond specifications and retailer prices

From £216 GBP
As of November 4, 2026
Save £610 GBP (74%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £827 GBP at MOH London · As of November 5, 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG851618018 or 851618018. Listed at 6 retailers as of November 4, 2026, with prices from £216 to £827, a £610 spread on the same certified stone. MOH London lists it at £827. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851618018
Dimensions8.64 × 5.80 × 3.87 mm
L/W Ratio1.49
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.64 mm5.80 mm1.51 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851618018
Side View
Table 65.0%Crown 34°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 66.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £827 GBP|Low: £216 GBP|High: £838 GBP|Avg: £533 GBP|-1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 3£216 GBP
Retailer 4£304 GBP
Retailer 5£426 GBP
Retailer 2£655 GBP
Retailer 6£739 GBP
MOH London£827 GBP

8 data points across 6 retailers

6 retailers£216 GBP to £827 GBP

A
Cheapest Retailer
-
£216 GBP
A
Retailer 2
-
£304 GBP
View
A
Retailer 3
-
£426 GBP
View
B+
Retailer 4
-
£655 GBP
View
B+
Retailer 5
-
£739 GBP
View
Most Expensive
B
MOH London
LG851618018 · Nov 5
£827 GBP
View
5 more retailers have this diamond
Prices start from £216 GBPSave up to £610 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
£216 GBP