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Cushion|Lab Grown|GCAL

5.26ct D FL Cushion Lab Grown Diamond

ID • D/FL • GCAL 362156321

Shape and cutting style on the report: Cushion brilliant

Certificate GCAL 362156321

Diamond specifications and retailer prices

From £7,186 GBP
$9,629 USD
As of October 31, 2026
Save £16,783 GBP (70%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £23,970 GBP at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 5.26ct lab-grown cushion diamond

This 5.26ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GCAL 362156321. Listed at 7 retailers as of October 31, 2026, with prices from £7,186 to £23,970, a £16,783 spread on the same certified stone. Blue Nile lists it at £23,970. 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

5.26
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle35.4°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 362156321
Dimensions11.66 × 8.90 × 6.17 mm
L/W Ratio1.31
Culet sizeNone
Top View
11.66 mm8.90 mm5.26 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 362156321
Side View
Table 59.0%Crown 35.7°Girdle: ThickPavilion 35.4°Culet: NoneDepth 69.3%

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 31
Current: £23,970 GBP|Low: £7,186 GBP|High: £110,099 GBP|Avg: £25,547 GBP|-36.1%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 7£7,186 GBP
Retailer 3£8,524 GBP
Retailer 4£8,722 GBP
Retailer 2£14,237 GBP
Retailer 6£22,791 GBP
Blue Nile£23,970 GBP
Retailer 5£43,936 GBP

20 data points across 7 retailers

7 retailers£7,186 GBP to £23,970 GBP

A
Cheapest Retailer
-
£7,186 GBP
$9,629 USD
A
Retailer 2
-
£7,672 GBP
$10,279 USD
View
A
Retailer 3
-
£8,722 GBP
$11,686 USD
View
B+
Retailer 4
-
£14,237 GBP
View
B
Retailer 5
-
£22,791 GBP
$30,537 USD
View
Most Expensive
B
Blue Nile
30020821 · Oct 31
£23,970 GBP
$32,117 USD
View
5 more retailers have this diamond
Prices start from £7,186 GBPSave up to £16,783 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
5.26ct Cushion
£7,186 GBP