Radiant|Lab Grown|IGI

5.09ct F VVS1 Radiant Lab Grown Diamond

ID • F/VVS1 • IGI LG816604820

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG816604820

Diamond specifications and retailer prices

From £1,533 GBP

As of November 2, 2026

Save £4,960 GBP (76%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: £6,493 GBP at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 5.09ct lab-grown radiant diamond

This 5.09ct lab-grown radiant 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 LG816604820 or 816604820. Listed at 14 retailers as of October 31, 2026, with prices from £1,533 to £6,493, a £4,960 spread on the same certified stone. Brilliant Earth lists it at £6,493. 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

5.09

Carat

Colour

VVS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle48.2°

Pavilion angle34.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG816604820

Dimensions12.04 × 8.61 × 5.66 mm

L/W Ratio1.40

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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG816604820

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: £6,493 GBP|Low: £1,217 GBP|High: £8,874 GBP|Avg: £3,022 GBP|-26.8%

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

November 2, 2026

Retailer 2£1,533 GBP

Retailer 12£1,668 GBP

Retailer 14£1,725 GBP

Retailer 11£1,911 GBP

Retailer 13£2,029 GBP

Retailer 8£2,206 GBP

Retailer 9£2,211 GBP

Retailer 3£2,627 GBP

Retailer 4£2,637 GBP

Retailer 15£3,123 GBP

Retailer 10£3,516 GBP

Retailer 5£4,138 GBP

Retailer 6£4,438 GBP

Retailer 7£4,644 GBP

Brilliant Earth£6,493 GBP

31 data points across 15 retailers

14 retailers£1,533 GBP to £6,493 GBP

Cheapest Retailer

£1,533 GBP

B+

Retailer 2

£1,668 GBP

$2,235 USD

View

B+

Retailer 3

£1,725 GBP

$2,311 USD

View

Retailer 4

£1,911 GBP

€2,438 EUR

View

Price last confirmed 10 days ago

B+

Retailer 5

£2,029 GBP

$2,718 USD

View

B+

Retailer 6

£2,206 GBP

A$4,547 AUD

View

B+

Retailer 7

£2,211 GBP

ZAR 47,867 ZAR

View

Retailer 8

£2,627 GBP

View

Retailer 9

£2,637 GBP

$3,533 USD

View

Retailer 10

£3,123 GBP

$4,184 USD

View

B+

Retailer 11

£3,516 GBP

View

Retailer 12

£4,138 GBP

$5,544 USD

View

Retailer 13

£4,438 GBP

$5,946 USD

View

Price last confirmed 74 days ago

Most Expensive

Brilliant Earth

21566973A · Oct 31

£6,493 GBP

$8,700 USD

View

13 more retailers have this diamond

Prices start from £1,533 GBPSave up to £4,960 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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5.09ct Radiant

£1,533 GBP