Cushion|Lab Grown|IGI

5.05ct F VVS1 Cushion Lab Grown Diamond

EX • F/VVS1 • IGI LG826684809

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG826684809

Diamond specifications and retailer prices

From £1,185 GBP

$1,590 USD

As of November 2, 2026

Save £4,225 GBP (78%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: £5,410 GBP at Brilliant Earth · As of November 2, 2026

View at Brilliant Earth

About this 5.05ct lab-grown cushion diamond

This 5.05ct lab-grown cushion sits in the over five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG826684809 or 826684809. Listed at 17 retailers as of November 2, 2026, with prices from £1,185 to £5,410, a £4,225 spread on the same certified stone. Brilliant Earth lists it at £5,410. 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

5.05

Carat

Colour

VVS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle39.1°

Pavilion angle31.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG826684809

Dimensions12.29 × 8.72 × 5.71 mm

L/W Ratio1.41

Girdle conditionFaceted

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG826684809

Side View

Caratlytics Score

How it works →

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: Nov 2

Current: £5,410 GBP|Low: £1,057 GBP|High: £5,671 GBP|Avg: £2,692 GBP|-4.6%

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

November 2, 2026

Retailer 4£1,057 GBP

Retailer 3£1,185 GBP

Retailer 7£1,535 GBP

Retailer 12£1,543 GBP

Retailer 6£1,701 GBP

Retailer 2£1,882 GBP

Retailer 9£2,143 GBP

Retailer 11£2,148 GBP

Retailer 13£2,932 GBP

Retailer 8£3,398 GBP

Retailer 5£3,576 GBP

Retailer 10£5,131 GBP

Brilliant Earth£5,410 GBP

38 data points across 13 retailers

17 retailers£1,185 GBP to £5,410 GBP

Retailer 1

£1,057 GBP

$1,419 USD

Price last confirmed 21 days ago

Retailer 2

£1,185 GBP

$1,590 USD

View

Retailer 3

£1,535 GBP

View

Retailer 4

£1,543 GBP

$2,070 USD

View

Retailer 5

£1,701 GBP

€2,174 EUR

View

B+

Retailer 6

£1,882 GBP

$2,525 USD

View

B+

Retailer 7

£2,143 GBP

A$4,424 AUD

View

B+

Retailer 8

£2,148 GBP

ZAR 46,571 ZAR

View

B+

Retailer 9

£2,555 GBP

View

B+

Retailer 10

£2,589 GBP

$3,474 USD

View

B+

Retailer 11

£2,932 GBP

$3,935 USD

View

Retailer 12

£3,398 GBP

View

Retailer 13

£3,576 GBP

SGD 6,484 SGD

View

Retailer 14

£3,707 GBP

$4,974 USD

View

Retailer 15

£4,289 GBP

$5,755 USD

View

Price last confirmed 15 days ago

Retailer 16

£5,131 GBP

A$10,593 AUD

View

Most Expensive

Brilliant Earth

20913205A · Nov 2

£5,410 GBP

$7,260 USD

View

16 more retailers have this diamond

Prices start from £1,185 GBPSave up to £4,225 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.

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