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Cushion|Lab Grown|IGI

1.09ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG761570606

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

Certificate IGI LG761570606

Diamond specifications and retailer prices

From £293 GBP
$392 USD
As of October 30, 2026
Save £977 GBP (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,269 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 1.09ct lab-grown cushion diamond

This 1.09ct 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 LG761570606 or 761570606. Listed at 13 retailers as of October 26, 2026, with prices from £293 to £1,269, a £977 spread on the same certified stone. MOH London lists it at £1,269. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG761570606
Dimensions6.02 × 6.02 × 3.90 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.02 mm6.02 mm1.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG761570606
Side View
Table 63.0%Crown 35.9°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 64.8%

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 30
Current: £1,269 GBP|Low: £293 GBP|High: £1,282 GBP|Avg: £663 GBP|+0.1%
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
October 31, 2026
Retailer 12£293 GBP
Retailer 11£324 GBP
Retailer 10£345 GBP
Retailer 7£437 GBP
Retailer 4£516 GBP
Retailer 13£520 GBP
Retailer 2£552 GBP
Retailer 9£557 GBP
Retailer 6£583 GBP
Retailer 8£788 GBP
Retailer 5£1,074 GBP
Retailer 3£1,249 GBP
MOH London£1,269 GBP

35 data points across 13 retailers

13 retailers£293 GBP to £1,269 GBP

A
Cheapest Retailer
-
£293 GBP
$392 USD
Final sale: no returns
Retailer 2
-
£324 GBP
$434 USD
View
Price last confirmed 19 days ago
Retailer 3
-
£345 GBP
View
Price last confirmed 14 days ago
A
Retailer 4
-
£437 GBP
$585 USD
View
A
Retailer 5
-
£516 GBP
$692 USD
View
A
Retailer 6
-
£520 GBP
$697 USD
View
A
Retailer 7
-
£552 GBP
€704 EUR
View
A
Retailer 8
-
£557 GBP
ZAR 12,062 ZAR
View
A
Retailer 9
-
£583 GBP
View
B+
Retailer 10
-
£788 GBP
A$1,624 AUD
View
B+
Retailer 11
-
£1,074 GBP
$1,438 USD
View
B
Retailer 12
-
£1,249 GBP
$1,674 USD
View
Most Expensive
B
MOH London
LG761570606 · Oct 26
£1,269 GBP
View
12 more retailers have this diamond
Prices start from £293 GBPSave up to £977 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
1.09ct Cushion
£293 GBP