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Cushion|Lab Grown|IGI

8.09ct F VS1 Cushion Lab Grown Diamond

VG • F/VS1 • IGI LG821654256

Certificate IGI LG821654256

Diamond specifications and retailer prices

From £5,868 GBP
$7,863 USD
As of October 31, 2026
Save £2,565 GBP (30%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £8,434 GBP at Zales · As of October 30, 2026
View at Zales

About this 8.09ct lab-grown cushion diamond

This 8.09ct lab-grown cushion sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG821654256 or 821654256. Listed at 4 retailers as of October 30, 2026, with prices from £5,868 to £8,434, a £2,565 spread on the same certified stone. Zales lists it at £8,434. 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

8.09
Carat
F
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG821654256
Dimensions14.49 × 10.68 × 7.08 mm
L/W Ratio1.36
Top View
14.49 mm10.68 mm8.09 ctF / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821654256
Side View
Table 62.0%CrownGirdle: THN-STKPavilionCulet: NoneDepth 66.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
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Price History

Last verified: Oct 31
Current: £5,868 GBP|Low: £5,868 GBP|High: £8,434 GBP|Avg: £7,835 GBP
Retailer 1
Retailer 2
Retailer 3
Zales
September 26, 2026
Retailer 1£5,868 GBP
Retailer 2£7,023 GBP
Retailer 3£8,434 GBP
Zales£8,434 GBP

3 data points across 4 retailers

4 retailers£5,868 GBP to £8,434 GBP

B
Cheapest Retailer
-
£5,868 GBP
$7,863 USD
B
Retailer 2
-
£7,023 GBP
$9,410 USD
View
B
Retailer 3
-
£8,434 GBP
$11,300 USD
View
Most Expensive
B
Zales
529191289 · Oct 30
£8,434 GBP
$11,300 USD
View
3 more retailers have this diamond
Prices start from £5,868 GBPSave up to £2,565 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
8.09ct Cushion
£5,868 GBP