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Cushion|Lab Grown|GCAL

0.40ct E VS1 Cushion Lab Grown Diamond

VG • E/VS1 • GCAL 302600017

Certificate GCAL 302600017

Diamond specifications and retailer prices

From £240 GBP
$320 USD
As of October 28, 2026
1 retailer carries this diamond
Only listing: £240 GBP at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 0.4ct lab-grown cushion diamond

This 0.4ct lab-grown cushion sits in the sub-half-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by GCAL 302600017. Listed at a single retailer as of October 28, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.40
Carat
E
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishGood
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabGCAL
CertificateGCAL 302600017
Dimensions7.32 × 3.77 × 2.42 mm
L/W Ratio1.94
Top View
7.32 mm3.77 mm0.40 ctE / VS1
OriginLab Grown
CutVery Good
PolishGood
SymmetryVery Good
FluorescenceNone
CertificateGCAL 302600017
Side View
Table 53.0%CrownGirdle: ThickPavilionCulet: NoneDepth 64.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: £157 GBP|Low: £86 GBP|High: £451 GBP|Avg: £243 GBP|-11.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
May 9, 2026
Retailer 7£100 GBP
Retailer 8£142 GBP
Retailer 1£157 GBP
Retailer 6£203 GBP
Retailer 2£212 GBP
Retailer 4£248 GBP
Retailer 5£248 GBP
Retailer 3£432 GBP

60 data points across 8 retailers

1 retailer

B
Brilliant Earth
4000667Y · Oct 28
£240 GBP
$320 USD
View

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
0.40ct Cushion
£240 GBP