Radiant|Lab Grown|IGI

15.03ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG782648478

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

Certificate IGI LG782648478

Diamond specifications and retailer prices

From £2,499 GBP

HK$26,200 HKD

As of November 1, 2026

Save £8,753 GBP (78%) vs most expensive(unlock to see where)

20 retailers carry this diamond

Most expensive: £11,252 GBP at Brilliant Earth · As of November 1, 2026

View at Brilliant Earth

About this 15.03ct lab-grown radiant diamond

This 15.03ct 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 LG782648478 or 782648478. Listed at 20 retailers as of November 1, 2026, with prices from £2,499 to £11,252, a £8,753 spread on the same certified stone. Brilliant Earth lists it at £11,252. 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

15.03

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle48.4°

Pavilion angle34.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG782648478

Dimensions17.85 × 11.71 × 7.79 mm

L/W Ratio1.52

Culet sizePointed

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 LG782648478

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: £11,252 GBP|Low: £1,777 GBP|High: £11,252 GBP|Avg: £4,605 GBP

Brilliant Earth

Retailer 2

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November 2, 2026

Retailer 9£1,777 GBP

Retailer 6£1,897 GBP

Retailer 4£2,064 GBP

Retailer 15£2,124 GBP

Retailer 8£2,201 GBP

Retailer 3£2,202 GBP

Retailer 17£2,499 GBP

Retailer 12£2,581 GBP

Retailer 20£2,954 GBP

Retailer 2£2,979 GBP

Retailer 5£3,025 GBP

Retailer 13£3,267 GBP

Retailer 21£3,394 GBP

Retailer 10£3,429 GBP

Retailer 22£4,084 GBP

Retailer 7£4,680 GBP

Retailer 11£6,167 GBP

Retailer 14£7,678 GBP

Retailer 18£7,992 GBP

Retailer 19£10,577 GBP

Retailer 16£10,632 GBP

Brilliant Earth£11,252 GBP

29 data points across 22 retailers

20 retailers£2,499 GBP to £11,252 GBP

Retailer 1

£1,897 GBP

$2,546 USD

Price last confirmed 10 days ago

Retailer 2

£2,064 GBP

$2,770 USD

View

Price last confirmed 9 days ago

Retailer 3

£2,201 GBP

$2,953 USD

View

Price last confirmed 8 days ago

Retailer 4

£2,202 GBP

$2,955 USD

View

Price last confirmed 5 days ago

Retailer 5

£2,499 GBP

HK$26,200 HKD

View

Retailer 6

£2,581 GBP

$3,464 USD

View

Price last confirmed 7 days ago

Retailer 7

£2,954 GBP

View

Retailer 8

£2,979 GBP

$3,997 USD

View

Retailer 9

£3,025 GBP

$4,059 USD

View

Price last confirmed 8 days ago

Retailer 10

£3,267 GBP

€4,175 EUR

View

Retailer 11

£3,394 GBP

ZAR 73,571 ZAR

View

Price last confirmed 9 days ago

Retailer 12

£3,429 GBP

$4,602 USD

View

Price last confirmed 7 days ago

Retailer 13

£4,084 GBP

A$8,432 AUD

View

Price last confirmed 11 days ago

B+

Retailer 14

£4,680 GBP

$6,280 USD

View

Retailer 15

£6,167 GBP

$8,276 USD

View

Price last confirmed 8 days ago

Retailer 16

£7,678 GBP

$10,303 USD

View

Price last confirmed 7 days ago

Retailer 17

£7,992 GBP

A$16,500 AUD

View

Retailer 18

£10,577 GBP

$14,194 USD

View

Retailer 19

£10,632 GBP

$14,268 USD

View

Most Expensive

Brilliant Earth

18445082A · Nov 1

£11,252 GBP

$15,100 USD

View

19 more retailers have this diamond

Prices start from £2,499 GBPSave up to £8,753 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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