Radiant|Lab Grown|IGI

6.03ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG650411473

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

Certificate IGI LG650411473

Diamond specifications and retailer prices

From £707 GBP

$949 USD

As of November 2, 2026

Save £6,007 GBP (89%) vs most expensive(unlock to see where)

15 retailers carry this diamond

Most expensive: £6,714 GBP at Brilliant Earth · As of November 2, 2026

View at Brilliant Earth

About this 6.03ct lab-grown radiant diamond

This 6.03ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG650411473 or 650411473. Listed at 15 retailers as of November 2, 2026, with prices from £707 to £6,714, a £6,007 spread on the same certified stone. Brilliant Earth lists it at £6,714. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

6.03

Carat

Colour

SI1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle44.7°

Pavilion angle35.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG650411473

Dimensions12.34 × 8.97 × 6.21 mm

L/W Ratio1.38

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 LG650411473

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: £6,714 GBP|Low: £679 GBP|High: £6,714 GBP|Avg: £1,981 GBP|+1.1%

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 3, 2026

Retailer 9£707 GBP

Retailer 12£769 GBP

Retailer 5£792 GBP

Retailer 3£820 GBP

Retailer 10£820 GBP

Retailer 7£950 GBP

Retailer 4£1,165 GBP

Retailer 2£1,311 GBP

Retailer 11£1,697 GBP

Retailer 13£2,348 GBP

Retailer 8£2,567 GBP

Retailer 6£5,536 GBP

Brilliant Earth£6,714 GBP

46 data points across 13 retailers

15 retailers£707 GBP to £6,714 GBP

Cheapest Retailer

£707 GBP

$949 USD

Retailer 2

£769 GBP

$1,032 USD

View

Retailer 3

£792 GBP

$1,063 USD

View

Final sale: no returns

Retailer 4

£820 GBP

$1,101 USD

View

Retailer 5

£820 GBP

$1,101 USD

View

Price last confirmed 21 days ago

B+

Retailer 6

£950 GBP

$1,275 USD

View

B+

Retailer 7

£1,165 GBP

$1,564 USD

View

B+

Retailer 8

£1,311 GBP

View

B+

Retailer 9

£1,595 GBP

$2,141 USD

View

Retailer 10

£1,697 GBP

$2,277 USD

View

Retailer 11

£2,348 GBP

$3,152 USD

View

Retailer 12

£2,567 GBP

$3,445 USD

View

Retailer 13

£5,536 GBP

$7,429 USD

View

Retailer 14

£6,282 GBP

$8,430 USD

View

Most Expensive

Brilliant Earth

19039962A · Nov 2

£6,714 GBP

$9,010 USD

View

14 more retailers have this diamond

Prices start from £707 GBPSave up to £6,007 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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