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Cushion|Lab Grown|IGI

1.25ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG836666005

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG836666005

Diamond specifications and retailer prices

From £203 GBP
As of November 1, 2026
Save £591 GBP (74%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £794 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.25ct lab-grown cushion diamond

This 1.25ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG836666005 or 836666005. Listed at 9 retailers as of November 1, 2026, with prices from £203 to £794, a £591 spread on the same certified stone. MOH London lists it at £794. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836666005
Dimensions9.46 × 7.90 × 5.44 mm
L/W Ratio1.20
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.46 mm7.90 mm1.25 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836666005
Side View
Table 64.0%Crown 29.4°Girdle: THN-MEDPavilion 40.7°Culet: NoneDepth 67.0%

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 1
Current: £794 GBP|Low: £203 GBP|High: £799 GBP|Avg: £411 GBP|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 3£203 GBP
Retailer 2£293 GBP
Retailer 9£300 GBP
Retailer 5£305 GBP
Retailer 4£307 GBP
Retailer 8£411 GBP
Retailer 7£415 GBP
Retailer 6£530 GBP
MOH London£794 GBP

15 data points across 9 retailers

9 retailers£203 GBP to £794 GBP

A
Cheapest Retailer
-
£203 GBP
A
Retailer 2
-
£293 GBP
ZAR 6,350 ZAR
View
A
Retailer 3
-
£300 GBP
$402 USD
View
A
Retailer 4
-
£305 GBP
€389 EUR
View
A
Retailer 5
-
£307 GBP
View
B+
Retailer 6
-
£411 GBP
$551 USD
View
B+
Retailer 7
-
£415 GBP
A$855 AUD
View
B+
Retailer 8
-
£530 GBP
$710 USD
View
Most Expensive
B
MOH London
LG836666005 · Nov 1
£794 GBP
View
8 more retailers have this diamond
Prices start from £203 GBPSave up to £591 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
1.25ct Cushion
£203 GBP