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Cushion|Lab Grown|IGI

1.42ct G VS2 Cushion Lab Grown Diamond

VG • G/VS2 • IGI LG551202511

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

Certificate IGI LG551202511

Diamond specifications and retailer prices

From £307 GBP
As of November 4, 2026
Save £470 GBP (60%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £777 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.42ct lab-grown cushion diamond

This 1.42ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG551202511 or 551202511. Listed at 2 retailers as of November 1, 2026, with prices from £307 to £777, a £470 spread on the same certified stone. MOH London lists it at £777. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.42
Carat
G
Colour
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.5°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG551202511
Dimensions6.41 × 6.36 × 4.41 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) process.
Top View
6.41 mm6.36 mm1.42 ctG / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG551202511
Side View
Table 62.0%Crown 39.5°Girdle: STK-THKPavilion 39.9°Culet: NoneDepth 69.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 4
Current: £777 GBP|Low: £305 GBP|High: £833 GBP|Avg: £563 GBP|-6.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 2£307 GBP
Retailer 5£396 GBP
Retailer 6£434 GBP
Retailer 4£486 GBP
Retailer 7£677 GBP
MOH London£777 GBP
Retailer 3£820 GBP

12 data points across 7 retailers

2 retailers£307 GBP to £777 GBP

B+
Cheapest Retailer
-
£307 GBP
Most Expensive
B
MOH London
LG551202511 · Nov 1
£777 GBP
View
1 more retailer has this diamond
Prices start from £307 GBPSave up to £470 GBP

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B+
1.42ct Cushion
£307 GBP