Radiant|Lab Grown|IGI

15.09ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG805644300

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

Certificate IGI LG805644300

Diamond specifications and retailer prices

From £2,604 GBP

HK$27,300 HKD

As of November 1, 2026

Save £8,693 GBP (77%) vs most expensive(unlock to see where)

22 retailers carry this diamond

Most expensive: £11,297 GBP at Brilliant Earth · As of November 2, 2026

View at Brilliant Earth

About this 15.09ct lab-grown radiant diamond

This 15.09ct lab-grown radiant 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 LG805644300 or 805644300. Listed at 22 retailers as of November 1, 2026, with prices from £2,604 to £11,297, a £8,693 spread on the same certified stone. Brilliant Earth lists it at £11,297. 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

15.09

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle43.5°

Pavilion angle33.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG805644300

Dimensions17.00 × 12.46 × 8.05 mm

L/W Ratio1.36

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 LG805644300

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 1

Current: £11,297 GBP|Low: £1,847 GBP|High: £11,834 GBP|Avg: £4,790 GBP|-4.5%

Brilliant Earth

Retailer 2

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November 2, 2026

Retailer 4£1,847 GBP

Retailer 8£1,973 GBP

Retailer 6£2,146 GBP

Retailer 15£2,209 GBP

Retailer 10£2,288 GBP

Retailer 22£2,291 GBP

Retailer 13£2,604 GBP

Retailer 12£2,662 GBP

Retailer 5£3,049 GBP

Retailer 19£3,072 GBP

Retailer 11£3,145 GBP

Retailer 2£3,400 GBP

Retailer 20£3,528 GBP

Retailer 7£3,563 GBP

Retailer 21£4,247 GBP

Retailer 3£4,717 GBP

Retailer 9£6,397 GBP

Retailer 14£7,979 GBP

Retailer 16£8,024 GBP

Retailer 18£10,751 GBP

Retailer 17£11,009 GBP

Brilliant Earth£11,297 GBP

31 data points across 22 retailers

22 retailers£2,604 GBP to £11,297 GBP

Retailer 1

£1,847 GBP

Price last confirmed 16 days ago

Retailer 2

£1,973 GBP

$2,647 USD

View

Price last confirmed 10 days ago

Retailer 3

£2,146 GBP

$2,880 USD

View

Price last confirmed 9 days ago

Retailer 4

£2,288 GBP

$3,071 USD

View

Price last confirmed 7 days ago

Retailer 5

£2,291 GBP

$3,075 USD

View

Price last confirmed 5 days ago

Retailer 6

£2,604 GBP

HK$27,300 HKD

View

Retailer 7

£2,662 GBP

$3,572 USD

View

Price last confirmed 7 days ago

Retailer 8

£3,049 GBP

$4,091 USD

View

Retailer 9

£3,072 GBP

View

Retailer 10

£3,145 GBP

$4,221 USD

View

Price last confirmed 8 days ago

Retailer 11

£3,400 GBP

€4,345 EUR

View

Retailer 12

£3,528 GBP

ZAR 76,494 ZAR

View

Price last confirmed 8 days ago

Retailer 13

£3,563 GBP

$4,782 USD

View

Price last confirmed 6 days ago

Retailer 14

£4,247 GBP

A$8,767 AUD

View

Price last confirmed 11 days ago

Retailer 15

£4,717 GBP

$6,330 USD

View

Price last confirmed 12 days ago

Retailer 16

£6,397 GBP

$8,584 USD

View

Price last confirmed 8 days ago

Retailer 17

£7,979 GBP

$10,708 USD

View

Price last confirmed 7 days ago

Retailer 18

£8,024 GBP

A$16,566 AUD

View

Retailer 19

£10,751 GBP

$14,427 USD

View

Retailer 20

£11,009 GBP

$14,774 USD

View

Retailer 21

£11,297 GBP

$15,160 USD

View

Price last confirmed 7 days ago

Most Expensive

Brilliant Earth

20275856A · Nov 2

£11,297 GBP

$15,160 USD

View

21 more retailers have this diamond

Prices start from £2,604 GBPSave up to £8,693 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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