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Cushion|Lab Grown|IGI

1.09ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG825604934

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG825604934

Diamond specifications and retailer prices

From £174 GBP
As of November 2, 2026
Save £505 GBP (74%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £679 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.09ct lab-grown cushion diamond

This 1.09ct lab-grown cushion sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG825604934 or 825604934. Listed at 11 retailers as of November 1, 2026, with prices from £174 to £679, a £505 spread on the same certified stone. MOH London lists it at £679. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825604934
Dimensions6.25 × 5.73 × 3.91 mm
L/W Ratio1.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.25 mm5.73 mm1.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825604934
Side View
Table 65.0%Crown 34.6°Girdle: THK-VTKPavilion 39.9°Culet: NoneDepth 68.2%

Caratlytics Score

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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 2
Current: £679 GBP|Low: £174 GBP|High: £730 GBP|Avg: £359 GBP|-6.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 2£174 GBP
Retailer 6£252 GBP
Retailer 4£257 GBP
Retailer 11£263 GBP
Retailer 9£268 GBP
Retailer 7£276 GBP
Retailer 5£354 GBP
Retailer 3£396 GBP
Retailer 8£443 GBP
Retailer 10£511 GBP
MOH London£679 GBP

37 data points across 11 retailers

11 retailers£174 GBP to £679 GBP

A
Cheapest Retailer
-
£174 GBP
A
Retailer 2
-
£252 GBP
€321 EUR
View
A
Retailer 3
-
£257 GBP
View
A
Retailer 4
-
£263 GBP
$353 USD
View
A
Retailer 5
-
£268 GBP
$359 USD
View
A
Retailer 6
-
£276 GBP
View
A
Retailer 7
-
£354 GBP
A$730 AUD
View
Retailer 8
-
£396 GBP
$530 USD
View
Price last confirmed 14 days ago
Retailer 9
-
£443 GBP
A$913 AUD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
£511 GBP
$685 USD
View
Most Expensive
B
MOH London
LG825604934 · Nov 1
£679 GBP
View
10 more retailers have this diamond
Prices start from £174 GBPSave up to £505 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
1.09ct Cushion
£174 GBP