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Cushion|Lab Grown|IGI

1.25ct E VS2 Cushion Lab Grown Diamond

ID • E/VS2 • IGI LG801634439

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

Certificate IGI LG801634439

Diamond specifications and retailer prices

From £168 GBP
$225 USD
As of October 25, 2026
Save £622 GBP (79%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £790 GBP at MOH London · As of October 29, 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 E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG801634439 or 801634439. Listed at 11 retailers as of October 25, 2026, with prices from £168 to £790, a £622 spread on the same certified stone. MOH London lists it at £790. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801634439
Dimensions6.45 × 6.31 × 4.03 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.45 mm6.31 mm1.25 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801634439
Side View
Table 63.0%Crown 35.4°Girdle: MED-VTKPavilion 39.4°Culet: NoneDepth 63.9%

Caratlytics Score

How it works →
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: Oct 25
Current: £790 GBP|Low: £168 GBP|High: £896 GBP|Avg: £442 GBP|+1.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 3£168 GBP
Retailer 8£284 GBP
Retailer 5£307 GBP
Retailer 6£316 GBP
Retailer 2£344 GBP
Retailer 11£432 GBP
Retailer 9£466 GBP
Retailer 10£512 GBP
Retailer 4£530 GBP
Retailer 7£601 GBP
MOH London£790 GBP

43 data points across 11 retailers

11 retailers£168 GBP to £790 GBP

A
Cheapest Retailer
-
£168 GBP
$225 USD
A
Retailer 2
-
£284 GBP
€363 EUR
View
A
Retailer 3
-
£307 GBP
$411 USD
View
A
Retailer 4
-
£316 GBP
View
A
Retailer 5
-
£344 GBP
$461 USD
View
B+
Retailer 6
-
£432 GBP
$579 USD
View
B+
Retailer 7
-
£466 GBP
$625 USD
View
B+
Retailer 8
-
£512 GBP
A$1,056 AUD
View
B+
Retailer 9
-
£530 GBP
$710 USD
View
B
Retailer 10
-
£601 GBP
$805 USD
View
Most Expensive
B
MOH London
LG801634439 · Oct 29
£790 GBP
View
10 more retailers have this diamond
Prices start from £168 GBPSave up to £622 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
£168 GBP