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Cushion|Lab Grown|IGI

1.05ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG733543632

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG733543632

Diamond specifications and retailer prices

From £232 GBP
As of November 6, 2026
Save £430 GBP (65%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £662 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.05ct lab-grown cushion diamond

This 1.05ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG733543632 or 733543632. Listed at 8 retailers as of November 4, 2026, with prices from £232 to £662, a £430 spread on the same certified stone. MOH London lists it at £662. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.05
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle32.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733543632
Dimensions6.75 × 5.31 × 3.45 mm
L/W Ratio1.27
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.75 mm5.31 mm1.05 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733543632
Side View
Table 65.0%Crown 36.7°Girdle: MED-THKPavilion 32.1°Culet: NoneDepth 65.0%

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 6
Current: £662 GBP|Low: £214 GBP|High: £672 GBP|Avg: £330 GBP|+0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6£232 GBP
Retailer 3£244 GBP
Retailer 2£245 GBP
Retailer 7£260 GBP
Retailer 4£269 GBP
Retailer 5£381 GBP
Retailer 8£385 GBP
MOH London£662 GBP

40 data points across 8 retailers

8 retailers£232 GBP to £662 GBP

A
Cheapest Retailer
-
£232 GBP
A
Retailer 2
-
£244 GBP
View
A
Retailer 3
-
£245 GBP
View
A
Retailer 4
-
£260 GBP
View
A
Retailer 5
-
£269 GBP
View
B+
Retailer 6
-
£381 GBP
View
Retailer 7
-
£385 GBP
View
Price last confirmed 40 days ago
Most Expensive
B
MOH London
LG733543632 · Nov 4
£662 GBP
View
7 more retailers have this diamond
Prices start from £232 GBPSave up to £430 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
1.05ct Cushion
£232 GBP