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Cushion|Lab Grown|IGI

1.00ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG733510616

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

Certificate IGI LG733510616

Diamond specifications and retailer prices

From £399 GBP
$531 USD
As of October 30, 2026
Save £564 GBP (59%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £962 GBP at MOH London · As of October 29, 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 LG733510616 or 733510616. Listed at 5 retailers as of October 29, 2026, with prices from £399 to £962, a £564 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.7°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733510616
Dimensions5.69 × 5.67 × 3.70 mm
L/W Ratio1.00
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
5.69 mm5.67 mm1.00 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733510616
Side View
Table 61.0%Crown 38.7°Girdle: THK-VTKPavilion 34.2°Culet: NoneDepth 65.3%

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: £383 GBP|High: £978 GBP|Avg: £603 GBP|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 3£399 GBP
Retailer 5£430 GBP
Retailer 2£456 GBP
Retailer 4£806 GBP
MOH London£962 GBP

41 data points across 5 retailers

5 retailers£399 GBP to £962 GBP

A
Cheapest Retailer
-
£399 GBP
$531 USD
A
Retailer 2
-
£430 GBP
$572 USD
View
A
Retailer 3
-
£456 GBP
View
B+
Retailer 4
-
£806 GBP
$1,074 USD
View
Most Expensive
B+
MOH London
LG733510616 · Oct 29
£962 GBP
View
4 more retailers have this diamond
Prices start from £399 GBPSave up to £564 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
£399 GBP