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Cushion|Lab Grown|GCAL

1.23ct E IF Cushion Lab Grown Diamond

ID • E/IF • GCAL 353416149

Shape and cutting style on the report: Cushion modified brilliant

Certificate GCAL 353416149

Diamond specifications and retailer prices

From £516 GBP
$692 USD
As of October 30, 2026
Save £2,932 GBP (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £4,826 GBP at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 1.23ct lab-grown cushion diamond

This 1.23ct 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 353416149. Listed at 11 retailers as of October 30, 2026, with a 568% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle37.2°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 353416149
Dimensions6.05 × 5.96 × 4.00 mm
L/W Ratio1.02
Culet sizeNone
Top View
6.05 mm5.96 mm1.23 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 353416149
Side View
Table 61.0%Crown 35.6°Girdle: THN-MEDPavilion 37.2°Culet: NoneDepth 67.1%

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: £4,403 GBP|Low: £516 GBP|High: £4,849 GBP|Avg: £2,621 GBP|+130.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Taylor and Hart
October 30, 2026
Retailer 8£516 GBP
Retailer 11£646 GBP
Retailer 10£1,518 GBP
Retailer 2£1,618 GBP
Retailer 3£1,703 GBP
Retailer 6£2,976 GBP
Retailer 9£3,299 GBP
Retailer 5£3,448 GBP
Retailer 7£3,448 GBP
Retailer 4£3,929 GBP
Retailer 1£4,403 GBP
Taylor and Hart£4,826 GBP

20 data points across 12 retailers

11 retailers£516 GBP to £3,448 GBP

A
Cheapest Retailer
-
£516 GBP
$692 USD
A
Retailer 2
-
£646 GBP
$866 USD
View
B
Retailer 3
-
£1,518 GBP
CA$2,825 CAD
View
B
Retailer 4
-
£1,703 GBP
$2,282 USD
View
B
Retailer 5
-
£2,976 GBP
$3,987 USD
View
B
Retailer 6
-
£3,299 GBP
$4,420 USD
View
B
Retailer 7
-
£3,448 GBP
$4,620 USD
View
B
Retailer 8
-
£3,448 GBP
$4,620 USD
View
Retailer 9
-
£3,929 GBP
View
Price under review
Retailer 10
-
£4,403 GBP
$5,900 USD
View
Price under review
Most Expensive
Taylor and Hart
9DSDCHR · Oct 30
£4,826 GBP
$6,467 USD
View
Price under review
10 more retailers have this diamond
Prices start from £516 GBPSave up to £2,932 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
1.23ct Cushion
£516 GBP