Cushion|Lab Grown|IGI

8.09ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG799638563

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG799638563

Diamond specifications and retailer prices

From £1,197 GBP
$1,604 USD
As of November 1, 2026
Save £4,900 GBP (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £6,098 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 top-tier cut grade and certified by IGI LG799638563 or 799638563. Listed at 21 retailers as of October 31, 2026, with prices from £1,197 to £6,098, a £4,900 spread on the same certified stone. Brilliant Earth lists it at £6,098. 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

8.09
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle33.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799638563
Dimensions13.81 × 9.57 × 6.48 mm
L/W Ratio1.44
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.81 mm9.57 mm8.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799638563
Side View
Table 69.0%Crown 34.4°Girdle: STK-VTKPavilion 33.6°Culet: NoneDepth 67.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £6,098 GBP|Low: £1,044 GBP|High: £6,098 GBP|Avg: £2,524 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 9£1,081 GBP
Retailer 11£1,197 GBP
Retailer 6£1,220 GBP
Retailer 3£1,417 GBP
Retailer 2£1,538 GBP
Retailer 4£1,729 GBP
Retailer 15£1,825 GBP
Retailer 17£1,831 GBP
Retailer 10£1,949 GBP
Retailer 14£2,023 GBP
Retailer 8£2,639 GBP
Retailer 13£3,133 GBP
Retailer 18£3,221 GBP
Retailer 5£3,259 GBP
Retailer 12£3,508 GBP
Retailer 7£3,831 GBP
Retailer 16£4,546 GBP
Brilliant Earth£6,098 GBP

36 data points across 18 retailers

21 retailers£1,197 GBP to £6,098 GBP

Retailer 1
-
£1,081 GBP
$1,449 USD
Price last confirmed 12 days ago
A
Retailer 2
-
£1,197 GBP
$1,604 USD
View
Final sale: no returns
A
Retailer 3
-
£1,220 GBP
$1,635 USD
View
A
Retailer 4
-
£1,417 GBP
$1,898 USD
View
A
Retailer 5
-
£1,538 GBP
View
B+
Retailer 6
-
£1,729 GBP
$2,317 USD
View
A
Retailer 7
-
£1,825 GBP
€2,329 EUR
View
A
Retailer 8
-
£1,831 GBP
ZAR 39,637 ZAR
View
A
Retailer 9
-
£1,949 GBP
$2,612 USD
View
A
Retailer 10
-
£2,023 GBP
A$4,171 AUD
View
B+
Retailer 11
-
£2,639 GBP
View
B+
Retailer 12
-
£3,133 GBP
$4,198 USD
View
B+
Retailer 13
-
£3,149 GBP
$4,219 USD
View
B+
Retailer 14
-
£3,221 GBP
$4,316 USD
View
B+
Retailer 15
-
£3,259 GBP
$4,367 USD
View
B+
Retailer 16
-
£3,508 GBP
View
B+
Retailer 17
-
£3,831 GBP
$5,133 USD
View
B
Retailer 18
-
£4,159 GBP
$5,572 USD
View
Retailer 19
-
£4,466 GBP
$5,984 USD
View
Price last confirmed 84 days ago
B
Retailer 20
-
£4,546 GBP
A$9,372 AUD
View
Most Expensive
B
Brilliant Earth
20561077A · Oct 31
£6,098 GBP
$8,170 USD
View
20 more retailers have this diamond
Prices start from £1,197 GBPSave up to £4,900 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
8.09ct Cushion
£1,197 GBP