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Cushion|Lab Grown|IGI

1.00ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG759511223

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

Certificate IGI LG759511223

Diamond specifications and retailer prices

From £396 GBP
$531 USD
As of October 30, 2026
Save £566 GBP (59%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £962 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 1ct lab-grown cushion diamond

This 1ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG759511223 or 759511223. Listed at 5 retailers as of October 26, 2026, with prices from £396 to £962, a £566 spread on the same certified stone. MOH London lists it at £962. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle32.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG759511223
Dimensions5.70 × 5.66 × 3.66 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 High Pressure High Temperature (HPHT) growth process Type II
Top View
5.70 mm5.66 mm1.00 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG759511223
Side View
Table 60.0%Crown 35.1°Girdle: MED-VTKPavilion 32.5°Culet: NoneDepth 64.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £962 GBP|Low: £381 GBP|High: £972 GBP|Avg: £594 GBP|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 3£396 GBP
Retailer 5£427 GBP
Retailer 2£453 GBP
Retailer 4£801 GBP
MOH London£962 GBP

41 data points across 5 retailers

5 retailers£396 GBP to £962 GBP

A
Cheapest Retailer
-
£396 GBP
$531 USD
A
Retailer 2
-
£427 GBP
$572 USD
View
A
Retailer 3
-
£453 GBP
View
B+
Retailer 4
-
£801 GBP
$1,074 USD
View
Most Expensive
B+
MOH London
LG759511223 · Oct 26
£962 GBP
View
4 more retailers have this diamond
Prices start from £396 GBPSave up to £566 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
1.00ct Cushion
£396 GBP