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Cushion|Lab Grown|GCAL

4.26ct D FL Cushion Lab Grown Diamond

ID • D/FL • GCAL 360706778

Shape and cutting style on the report: Cushion brilliant

Certificate GCAL 360706778

Diamond specifications and retailer prices

From £4,353 GBP
$5,797 USD
As of October 30, 2026
Save £23,709 GBP (84%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £28,062 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 4.26ct lab-grown cushion diamond

This 4.26ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GCAL 360706778. Listed at 6 retailers as of October 30, 2026, with prices from £4,353 to £28,062, a £23,709 spread on the same certified stone. Do Amore Diamonds lists it at £28,062. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.26
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle36.4°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 360706778
Dimensions10.99 × 8.55 × 5.62 mm
L/W Ratio1.29
Culet sizeNone
Top View
10.99 mm8.55 mm4.26 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 360706778
Side View
Table 60.0%Crown 34.5°Girdle: THK-VTKPavilion 36.4°Culet: NoneDepth 65.7%

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: £28,062 GBP|Low: £4,353 GBP|High: £52,850 GBP|Avg: £21,224 GBP|-45.4%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 5£4,353 GBP
Retailer 3£7,307 GBP
Retailer 2£10,684 GBP
Retailer 10£10,844 GBP
Retailer 6£12,842 GBP
Retailer 4£13,103 GBP
Retailer 7£17,370 GBP
Do Amore Diamonds£28,062 GBP
Retailer 9£36,863 GBP
Retailer 8£37,897 GBP

21 data points across 10 retailers

6 retailers£4,353 GBP to £28,062 GBP

A
Cheapest Retailer
-
£4,353 GBP
$5,797 USD
B+
Retailer 2
-
£7,307 GBP
$9,731 USD
View
B+
Retailer 3
-
£10,684 GBP
View
B+
Retailer 4
-
£12,842 GBP
$17,101 USD
View
Final sale: no returns
B+
Retailer 5
-
£13,103 GBP
$17,448 USD
View
Most Expensive
B
Do Amore Diamonds
27-70A7CC499 · Oct 30
£28,062 GBP
$37,370 USD
View
5 more retailers have this diamond
Prices start from £4,353 GBPSave up to £23,709 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
4.26ct Cushion
£4,353 GBP