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Cushion|Lab Grown|IGI

1.02ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG818688945

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG818688945

Diamond specifications and retailer prices

From £107 GBP
As of November 6, 2026
Save £908 GBP (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,015 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.02ct lab-grown cushion diamond

This 1.02ct 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 LG818688945 or 818688945. Listed at 13 retailers as of November 1, 2026, with prices from £107 to £1,015, a £908 spread on the same certified stone. MOH London lists it at £1,015. 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

1.02
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle29.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818688945
Dimensions7.11 × 5.05 × 3.20 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.11 mm5.05 mm1.02 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818688945
Side View
Table 61.0%Crown 32.8°Girdle: STK-VTKPavilion 29.8°Culet: NoneDepth 63.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £1,015 GBP|Low: £107 GBP|High: £1,039 GBP|Avg: £329 GBP|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 7£107 GBP
Retailer 5£123 GBP
Retailer 12£161 GBP
Retailer 11£196 GBP
Retailer 2£214 GBP
Retailer 6£216 GBP
Retailer 13£225 GBP
Retailer 3£305 GBP
Retailer 10£329 GBP
Retailer 4£374 GBP
Retailer 8£424 GBP
Retailer 9£720 GBP
MOH London£1,015 GBP

43 data points across 13 retailers

13 retailers£107 GBP to £1,015 GBP

A
Cheapest Retailer
-
£107 GBP
Final sale: no returns
Retailer 2
-
£123 GBP
View
Price last confirmed 13 days ago
B+
Retailer 3
-
£161 GBP
View
A
Retailer 4
-
£196 GBP
View
A
Retailer 5
-
£214 GBP
View
A
Retailer 6
-
£216 GBP
View
A
Retailer 7
-
£225 GBP
View
A
Retailer 8
-
£305 GBP
View
B+
Retailer 9
-
£329 GBP
View
B+
Retailer 10
-
£374 GBP
View
B+
Retailer 11
-
£424 GBP
View
B
Retailer 12
-
£720 GBP
View
Most Expensive
B
MOH London
LG818688945 · Nov 1
£1,015 GBP
View
12 more retailers have this diamond
Prices start from £107 GBPSave up to £908 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
1.02ct Cushion
£107 GBP