Radiant|Lab Grown|IGI

8.18ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG596319701

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

Certificate IGI LG596319701

Diamond specifications and retailer prices

From £1,000 GBP

$1,340 USD

As of October 31, 2026

Save £3,918 GBP (80%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: £4,918 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 8.18ct lab-grown radiant diamond

This 8.18ct lab-grown radiant sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG596319701 or 596319701. Listed at 14 retailers as of October 29, 2026, with prices from £1,000 to £4,918, a £3,918 spread on the same certified stone. Brilliant Earth lists it at £4,918. 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

8.18

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle42.2°

Pavilion angle36°

OriginLab Grown

Grading LabIGI

CertificateIGI LG596319701

Dimensions14.07 × 9.94 × 6.77 mm

L/W Ratio1.42

Culet sizePointed

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG596319701

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 31

Current: £4,918 GBP|Low: £569 GBP|High: £4,918 GBP|Avg: £1,969 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

October 31, 2026

Retailer 6£815 GBP

Retailer 5£902 GBP

Retailer 10£1,000 GBP

Retailer 13£1,275 GBP

Retailer 4£1,387 GBP

Retailer 2£1,434 GBP

Retailer 9£1,457 GBP

Retailer 7£1,610 GBP

Retailer 12£1,815 GBP

Retailer 11£2,397 GBP

Retailer 3£2,400 GBP

Retailer 8£2,962 GBP

Retailer 14£3,028 GBP

Brilliant Earth£4,918 GBP

32 data points across 14 retailers

14 retailers£1,000 GBP to £4,918 GBP

Retailer 1

£765 GBP

$1,025 USD

Price last confirmed 34 days ago

Retailer 2

£804 GBP

$1,077 USD

View

Price last confirmed 34 days ago

Retailer 3

£1,000 GBP

$1,340 USD

View

Retailer 4

£1,275 GBP

$1,709 USD

View

B+

Retailer 5

£1,387 GBP

$1,859 USD

View

Retailer 6

£1,434 GBP

€1,830 EUR

View

Retailer 7

£1,457 GBP

ZAR 31,532 ZAR

View

Retailer 8

£1,610 GBP

A$3,318 AUD

View

B+

Retailer 9

£1,815 GBP

$2,432 USD

View

B+

Retailer 10

£2,397 GBP

$3,212 USD

View

B+

Retailer 11

£2,400 GBP

View

B+

Retailer 12

£2,962 GBP

View

B+

Retailer 13

£3,028 GBP

$4,058 USD

View

Most Expensive

Brilliant Earth

7914623A · Oct 29

£4,918 GBP

$6,590 USD

View

13 more retailers have this diamond

Prices start from £1,000 GBPSave up to £3,918 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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