Radiant|Lab Grown|IGI

6.09ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG836616248

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

Certificate IGI LG836616248

Diamond specifications and retailer prices

From £1,386 GBP

$1,857 USD

As of October 30, 2026

Save £8,152 GBP (85%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: £10,710 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 6.09ct lab-grown radiant diamond

This 6.09ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG836616248 or 836616248. Listed at 17 retailers as of October 30, 2026, with a 588% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

6.09

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle41.1°

Pavilion angle33.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG836616248

Dimensions12.97 × 8.97 × 5.92 mm

L/W Ratio1.45

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 LG836616248

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: Oct 30

Current: £10,710 GBP|Low: £1,386 GBP|High: £10,710 GBP|Avg: £3,965 GBP

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

Retailer 16

Retailer 17

October 31, 2026

Retailer 11£1,386 GBP

Retailer 15£1,552 GBP

Retailer 17£1,608 GBP

Retailer 3£1,731 GBP

Retailer 13£1,875 GBP

Retailer 5£1,888 GBP

Retailer 14£2,088 GBP

Retailer 7£2,440 GBP

Retailer 2£2,442 GBP

Retailer 10£2,705 GBP

Retailer 4£3,367 GBP

Retailer 16£3,435 GBP

Retailer 6£4,332 GBP

Retailer 9£6,086 GBP

Retailer 8£6,209 GBP

Retailer 12£9,538 GBP

Brilliant Earth£10,710 GBP

5 data points across 17 retailers

17 retailers£1,386 GBP to £9,538 GBP

Cheapest Retailer

£1,386 GBP

$1,857 USD

Retailer 2

£1,552 GBP

$2,079 USD

View

Final sale: no returns

Retailer 3

£1,608 GBP

$2,154 USD

View

Retailer 4

£1,731 GBP

$2,320 USD

View

B+

Retailer 5

£1,875 GBP

View

B+

Retailer 6

£1,888 GBP

$2,530 USD

View

B+

Retailer 7

£2,088 GBP

$2,798 USD

View

B+

Retailer 8

£2,440 GBP

$3,269 USD

View

B+

Retailer 9

£2,442 GBP

View

B+

Retailer 10

£2,705 GBP

$3,624 USD

View

Retailer 11

£3,367 GBP

View

Retailer 12

£3,435 GBP

ZAR 74,344 ZAR

View

Retailer 13

£4,332 GBP

$5,805 USD

View

Retailer 14

£6,086 GBP

SGD 11,019 SGD

View

Retailer 15

£6,209 GBP

$8,320 USD

View

Retailer 16

£9,538 GBP

$12,780 USD

View

Most Expensive

Brilliant Earth

22335663Y · Oct 29

£10,710 GBP

$14,350 USD

View

Price under review

16 more retailers have this diamond

Prices start from £1,386 GBPSave up to £8,152 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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6.09ct Radiant

£1,386 GBP