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Cushion|Lab Grown|IGI

1.01ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG626465634

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG626465634

Diamond specifications and retailer prices

From £200 GBP
As of October 31, 2026
Save £810 GBP (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,010 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.01ct lab-grown cushion diamond

This 1.01ct 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 LG626465634 or 626465634. Listed at 10 retailers as of October 29, 2026, with prices from £200 to £1,010, a £810 spread on the same certified stone. MOH London lists it at £1,010. 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

1.01
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.3°
Pavilion angle42.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG626465634
Dimensions6.71 × 5.38 × 3.66 mm
L/W Ratio1.25
Girdle conditionFaceted
Culet sizePointed
Top View
6.71 mm5.38 mm1.01 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG626465634
Side View
Table 66.0%Crown 29.3°Girdle: MED-VTKPavilion 42.9°Culet: NoneDepth 68.0%

Caratlytics Score

How it works →
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: Oct 31
Current: £1,010 GBP|Low: £120 GBP|High: £1,017 GBP|Avg: £317 GBP|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 7£120 GBP
Retailer 6£157 GBP
Retailer 2£200 GBP
Retailer 10£213 GBP
Retailer 4£227 GBP
Retailer 8£228 GBP
Retailer 5£229 GBP
Retailer 9£360 GBP
Retailer 3£366 GBP
MOH London£1,010 GBP

36 data points across 10 retailers

10 retailers£200 GBP to £1,010 GBP

Retailer 1
-
£120 GBP
$161 USD
Price last confirmed 19 days ago
Retailer 2
-
£157 GBP
View
Price last confirmed 14 days ago
A
Retailer 3
-
£200 GBP
View
A
Retailer 4
-
£213 GBP
$285 USD
View
A
Retailer 5
-
£227 GBP
€290 EUR
View
A
Retailer 6
-
£228 GBP
$306 USD
View
A
Retailer 7
-
£229 GBP
View
B+
Retailer 8
-
£360 GBP
$483 USD
View
B+
Retailer 9
-
£366 GBP
$490 USD
View
Most Expensive
B
MOH London
626465634 · Oct 29
£1,010 GBP
View
9 more retailers have this diamond
Prices start from £200 GBPSave up to £810 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
1.01ct Cushion
£200 GBP