Radiant|Lab Grown|IGI

8.08ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG821658180

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

Certificate IGI LG821658180

Diamond specifications and retailer prices

From £680 GBP

$906 USD

As of October 23, 2026

Save £3,264 GBP (83%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: £3,945 GBP at Adiamor · As of October 30, 2026

View at Adiamor

About this 8.08ct lab-grown radiant diamond

This 8.08ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG821658180 or 821658180. Listed at 17 retailers as of October 23, 2026, with prices from £680 to £3,945, a £3,264 spread on the same certified stone. Adiamor lists it at £3,945. 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

8.08

Carat

Colour

SI1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle43.5°

Pavilion angle32.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG821658180

Dimensions14.53 × 9.93 × 6.47 mm

L/W Ratio1.46

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 LG821658180

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 23

Current: £3,945 GBP|Low: £653 GBP|High: £3,945 GBP|Avg: £1,668 GBP

Adiamor

Retailer 2

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October 28, 2026

Retailer 16£680 GBP

Retailer 14£740 GBP

Retailer 7£761 GBP

Retailer 3£789 GBP

Retailer 6£913 GBP

Retailer 2£920 GBP

Retailer 10£942 GBP

Retailer 8£1,145 GBP

Retailer 13£1,195 GBP

Retailer 11£1,208 GBP

Retailer 5£1,266 GBP

Retailer 4£1,611 GBP

Retailer 15£2,219 GBP

Retailer 9£2,651 GBP

Retailer 12£2,680 GBP

Retailer 17£3,781 GBP

Adiamor£3,945 GBP

36 data points across 17 retailers

17 retailers£680 GBP to £3,945 GBP

Cheapest Retailer

£680 GBP

$906 USD

Retailer 2

£740 GBP

$986 USD

View

Retailer 3

£761 GBP

$1,014 USD

View

Final sale: no returns

Retailer 4

£789 GBP

$1,051 USD

View

Retailer 5

£913 GBP

HK$9,500 HKD

View

Retailer 6

£920 GBP

$1,225 USD

View

Retailer 7

£942 GBP

View

Retailer 8

£1,145 GBP

$1,525 USD

View

Retailer 9

£1,195 GBP

€1,516 EUR

View

Retailer 10

£1,208 GBP

View

B+

Retailer 11

£1,266 GBP

$1,686 USD

View

B+

Retailer 12

£1,611 GBP

$2,145 USD

View

B+

Retailer 13

£2,219 GBP

$2,955 USD

View

B+

Retailer 14

£2,651 GBP

SGD 4,771 SGD

View

B+

Retailer 15

£2,680 GBP

View

Retailer 16

£3,781 GBP

$5,035 USD

View

Most Expensive

Adiamor

D-81218295 · Oct 30

£3,945 GBP

$5,253 USD

View

16 more retailers have this diamond

Prices start from £680 GBPSave up to £3,264 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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