Radiant|Lab Grown|IGI

6.59ct F VS2 Radiant Lab Grown Diamond

ID • F/VS2 • IGI LG821678396

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

Certificate IGI LG821678396

Diamond specifications and retailer prices

From £1,514 GBP

As of November 2, 2026

Save £2,763 GBP (65%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: £4,276 GBP at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 6.59ct lab-grown radiant diamond

This 6.59ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG821678396 or 821678396. Listed at 14 retailers as of October 31, 2026, with prices from £1,514 to £4,276, a £2,763 spread on the same certified stone. Brilliant Earth lists it at £4,276. 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

6.59

Carat

Colour

VS2

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle52.2°

Pavilion angle36.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG821678396

Dimensions13.43 × 9.40 × 6.15 mm

L/W Ratio1.43

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 LG821678396

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: £4,276 GBP|Low: £1,205 GBP|High: £8,314 GBP|Avg: £2,885 GBP|-48.6%

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

November 2, 2026

Retailer 2£1,514 GBP

Retailer 6£1,646 GBP

Retailer 9£1,703 GBP

Retailer 5£1,884 GBP

Retailer 10£2,059 GBP

Retailer 3£2,154 GBP

Retailer 12£2,593 GBP

Retailer 8£3,085 GBP

Retailer 11£3,416 GBP

Retailer 7£3,472 GBP

Retailer 4£4,090 GBP

Brilliant Earth£4,276 GBP

42 data points across 12 retailers

14 retailers£1,514 GBP to £4,276 GBP

Retailer 1

£926 GBP

$1,241 USD

Price last confirmed 24 days ago

Retailer 2

£1,075 GBP

$1,440 USD

View

Price last confirmed 29 days ago

Retailer 3

£1,514 GBP

View

B+

Retailer 4

£1,646 GBP

$2,205 USD

View

B+

Retailer 5

£1,703 GBP

$2,282 USD

View

B+

Retailer 6

£1,884 GBP

€2,404 EUR

View

Retailer 7

£2,059 GBP

$2,759 USD

View

Price last confirmed 7 days ago

B+

Retailer 8

£2,154 GBP

$2,886 USD

View

Retailer 9

£2,593 GBP

View

Price last confirmed 18 days ago

Retailer 10

£3,085 GBP

$4,133 USD

View

Retailer 11

£3,416 GBP

SGD 6,185 SGD

View

Retailer 12

£3,472 GBP

View

Retailer 13

£4,090 GBP

$5,480 USD

View

Most Expensive

Brilliant Earth

21044238A · Oct 31

£4,276 GBP

$5,730 USD

View

13 more retailers have this diamond

Prices start from £1,514 GBPSave up to £2,763 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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