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Cushion|Lab Grown|IGI

1.09ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG641493522

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG641493522

Diamond specifications and retailer prices

From £200 GBP
$268 USD
As of October 30, 2026
Save £1,479 GBP (88%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,679 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 LG641493522 or 641493522. Listed at 5 retailers as of October 30, 2026, with prices from £200 to £1,679, a £1,479 spread on the same certified stone. Do Amore Diamonds lists it at £1,679. 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 angle35.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG641493522
Dimensions6.00 × 5.91 × 3.98 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.00 mm5.91 mm1.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG641493522
Side View
Table 62.0%Crown 35.1°Girdle: THN-MEDPavilion 40.3°Culet: NoneDepth 67.3%

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: Oct 30
Current: £1,679 GBP|Low: £200 GBP|High: £1,717 GBP|Avg: £662 GBP|-2.2%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 7£200 GBP
Retailer 6£366 GBP
Retailer 9£377 GBP
Retailer 8£401 GBP
Retailer 4£509 GBP
Retailer 12£537 GBP
Retailer 5£582 GBP
Retailer 11£615 GBP
Retailer 3£711 GBP
Retailer 2£963 GBP
Retailer 10£1,038 GBP
Do Amore Diamonds£1,679 GBP

15 data points across 12 retailers

5 retailers£200 GBP to £1,679 GBP

A
Cheapest Retailer
-
£200 GBP
$268 USD
Final sale: no returns
A
Retailer 2
-
£366 GBP
$491 USD
View
A
Retailer 3
-
£582 GBP
A$1,200 AUD
View
B+
Retailer 4
-
£963 GBP
View
Most Expensive
B
Do Amore Diamonds
27-8A23EE399 · Oct 31
£1,679 GBP
$2,250 USD
View
4 more retailers have this diamond
Prices start from £200 GBPSave up to £1,479 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
£200 GBP