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Cushion|Lab Grown|IGI

1.21ct E VS2 Cushion Lab Grown Diamond

ID • E/VS2 • IGI LG809695391

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

Certificate IGI LG809695391

Diamond specifications and retailer prices

From £305 GBP
$408 USD
As of October 30, 2026
Save £459 GBP (60%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £764 GBP at MOH London · As of October 25, 2026
View at MOH London

About this 1.21ct lab-grown cushion diamond

This 1.21ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG809695391 or 809695391. Listed at 4 retailers as of October 25, 2026, with prices from £305 to £764, a £459 spread on the same certified stone. MOH London lists it at £764. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809695391
Dimensions6.13 × 6.12 × 4.11 mm
L/W Ratio1.00
Girdle conditionFaceted
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
6.13 mm6.12 mm1.21 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809695391
Side View
Table 63.0%Crown 37.3°Girdle: STK-THKPavilion 38.4°Culet: NoneDepth 67.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £764 GBP|Low: £269 GBP|High: £772 GBP|Avg: £438 GBP|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 6£271 GBP
Retailer 7£297 GBP
Retailer 2£305 GBP
Retailer 5£321 GBP
Retailer 8£485 GBP
Retailer 4£496 GBP
Retailer 3£602 GBP
MOH London£764 GBP

14 data points across 8 retailers

4 retailers£305 GBP to £764 GBP

A
Cheapest Retailer
-
£305 GBP
$408 USD
B+
Retailer 2
-
£496 GBP
A$1,023 AUD
View
B
Retailer 3
-
£602 GBP
$807 USD
View
Most Expensive
B
MOH London
LG809695391 · Oct 25
£764 GBP
View
3 more retailers have this diamond
Prices start from £305 GBPSave up to £459 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
1.21ct Cushion
£305 GBP