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Cushion|Lab Grown|IGI

1.05ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG758550097

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG758550097

Diamond specifications and retailer prices

From £175 GBP
$234 USD
As of October 30, 2026
Save £1,325 GBP (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,500 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 LG758550097 or 758550097. Listed at 19 retailers as of October 30, 2026, with prices from £175 to £1,500, a £1,325 spread on the same certified stone. Do Amore Diamonds lists it at £1,500. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG758550097
Dimensions7.09 × 5.50 × 3.62 mm
L/W Ratio1.29
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.09 mm5.50 mm1.05 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG758550097
Side View
Table 60.0%Crown 32.3°Girdle: MED-STKPavilion 36.5°Culet: NoneDepth 65.8%

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: £1,500 GBP|Low: £175 GBP|High: £1,500 GBP|Avg: £585 GBP
Do Amore Diamonds
Retailer 2
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Retailer 17
October 31, 2026
Retailer 5£175 GBP
Retailer 3£193 GBP
Retailer 11£227 GBP
Retailer 10£273 GBP
Retailer 7£287 GBP
Retailer 16£351 GBP
Retailer 13£367 GBP
Retailer 17£370 GBP
Retailer 2£403 GBP
Retailer 14£521 GBP
Retailer 6£701 GBP
Retailer 8£815 GBP
Retailer 12£861 GBP
Retailer 4£912 GBP
Retailer 15£989 GBP
Retailer 9£1,209 GBP
Do Amore Diamonds£1,500 GBP

35 data points across 17 retailers

19 retailers£175 GBP to £1,500 GBP

A
Cheapest Retailer
-
£175 GBP
$234 USD
Final sale: no returns
A
Retailer 2
-
£193 GBP
$259 USD
View
A
Retailer 3
-
£227 GBP
View
A
Retailer 4
-
£273 GBP
$366 USD
View
A
Retailer 5
-
£287 GBP
HK$3,000 HKD
View
A
Retailer 6
-
£351 GBP
$470 USD
View
A
Retailer 7
-
£367 GBP
ZAR 7,943 ZAR
View
A
Retailer 8
-
£370 GBP
$496 USD
View
A
Retailer 9
-
£403 GBP
View
A
Retailer 10
-
£521 GBP
A$1,074 AUD
View
B+
Retailer 11
-
£701 GBP
SGD 1,270 SGD
View
B+
Retailer 12
-
£815 GBP
$1,092 USD
View
B+
Retailer 13
-
£861 GBP
View
B+
Retailer 14
-
£912 GBP
$1,223 USD
View
Retailer 15
-
£970 GBP
$1,300 USD
View
Price last confirmed 12 days ago
Retailer 16
-
£989 GBP
$1,325 USD
View
Price last confirmed 12 days ago
B
Retailer 17
-
£1,209 GBP
$1,620 USD
View
B
Retailer 18
-
£1,431 GBP
View
Most Expensive
B
Do Amore Diamonds
27-57B844F90 · Oct 31
£1,500 GBP
$2,010 USD
View
18 more retailers have this diamond
Prices start from £175 GBPSave up to £1,325 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
£175 GBP