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Cushion|Lab Grown|IGI

1.05ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG781636205

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG781636205

Diamond specifications and retailer prices

From £301 GBP
$403 USD
As of October 30, 2026
Save £1,005 GBP (77%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,306 GBP at MOH London · As of October 26, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG781636205 or 781636205. Listed at 15 retailers as of October 26, 2026, with prices from £301 to £1,306, a £1,005 spread on the same certified stone. MOH London lists it at £1,306. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle32.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781636205
Dimensions7.60 × 5.07 × 3.23 mm
L/W Ratio1.50
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.60 mm5.07 mm1.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781636205
Side View
Table 63.0%Crown 35.4°Girdle: MED-THKPavilion 32.6°Culet: NoneDepth 63.7%

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: £1,306 GBP|Low: £301 GBP|High: £1,377 GBP|Avg: £741 GBP|-4.1%
MOH London
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
October 31, 2026
Retailer 13£301 GBP
Retailer 4£334 GBP
Retailer 8£354 GBP
Retailer 11£448 GBP
Retailer 12£448 GBP
Retailer 15£489 GBP
Retailer 3£566 GBP
Retailer 10£574 GBP
Retailer 2£602 GBP
Retailer 9£811 GBP
Retailer 7£890 GBP
Retailer 5£1,104 GBP
Retailer 14£1,274 GBP
Retailer 6£1,297 GBP
MOH London£1,306 GBP

43 data points across 15 retailers

15 retailers£301 GBP to £1,306 GBP

A
Cheapest Retailer
-
£301 GBP
$403 USD
Final sale: no returns
A
Retailer 2
-
£334 GBP
$447 USD
View
A
Retailer 3
-
£354 GBP
View
A
Retailer 4
-
£448 GBP
$600 USD
View
A
Retailer 5
-
£448 GBP
$600 USD
View
A
Retailer 6
-
£489 GBP
$655 USD
View
A
Retailer 7
-
£566 GBP
$758 USD
View
A
Retailer 8
-
£574 GBP
ZAR 12,422 ZAR
View
A
Retailer 9
-
£602 GBP
View
B+
Retailer 10
-
£811 GBP
A$1,672 AUD
View
B+
Retailer 11
-
£890 GBP
SGD 1,611 SGD
View
B
Retailer 12
-
£1,104 GBP
$1,479 USD
View
B
Retailer 13
-
£1,274 GBP
$1,707 USD
View
B
Retailer 14
-
£1,297 GBP
View
Most Expensive
B
MOH London
LG781636205 · Oct 26
£1,306 GBP
View
14 more retailers have this diamond
Prices start from £301 GBPSave up to £1,005 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
£301 GBP