Cushion|Lab Grown|GCAL

1.05ct E IF Cushion Lab Grown Diamond

ID • E/IF • GCAL 353416202

Shape and cutting style on the report: Cushion brilliant

Certificate GCAL 353416202

Diamond specifications and retailer prices

From £828 GBP
$1,110 USD
As of October 30, 2026
Save £2,246 GBP (73%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £3,075 GBP at Kay Jewelers · As of October 30, 2026
View at Kay Jewelers

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 GCAL 353416202. Listed at 9 retailers as of October 30, 2026, with prices from £828 to £3,075, a £2,246 spread on the same certified stone. Kay Jewelers lists it at £3,075. 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 angle34.5°
Pavilion angle38.1°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 353416202
Dimensions5.73 × 5.60 × 3.89 mm
L/W Ratio1.02
Culet sizeNone
Top View
5.73 mm5.60 mm1.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 353416202
Side View
Table 62.0%Crown 34.5°Girdle: Slightly ThickPavilion 38.1°Culet: NoneDepth 69.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £3,075 GBP|Low: £649 GBP|High: £5,112 GBP|Avg: £2,419 GBP|-7.0%
Kay Jewelers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 10£649 GBP
Retailer 9£1,008 GBP
Retailer 11£1,249 GBP
Retailer 3£1,454 GBP
Retailer 8£1,982 GBP
Retailer 6£2,802 GBP
Retailer 2£2,929 GBP
Retailer 5£3,058 GBP
Kay Jewelers£3,075 GBP
Retailer 4£3,075 GBP
Retailer 7£5,112 GBP

20 data points across 11 retailers

9 retailers£828 GBP to £3,075 GBP

B+
Cheapest Retailer
-
£828 GBP
$1,110 USD
B+
Retailer 2
-
£1,008 GBP
$1,350 USD
View
B
Retailer 3
-
£1,454 GBP
$1,948 USD
View
B
Retailer 4
-
£1,982 GBP
CA$3,688 CAD
View
B
Retailer 5
-
£2,929 GBP
View
B
Retailer 6
-
£3,058 GBP
$4,098 USD
View
B
Retailer 7
-
£3,075 GBP
$4,120 USD
View
Most Expensive
B
Kay Jewelers
258102190 · Oct 30
£3,075 GBP
$4,120 USD
View
7 more retailers have this diamond
Prices start from £828 GBPSave up to £2,246 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.

B+
1.05ct Cushion
£828 GBP