Round|Lab Grown|IGI

8.71ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG618439627

Shape and cutting style on the report: Round brilliant

Certificate IGI LG618439627

Diamond specifications and retailer prices

From £1,104 GBP

$1,479 USD

As of November 1, 2026

Save £6,718 GBP (86%) vs most expensive(unlock to see where)

22 retailers carry this diamond

Most expensive: £7,822 GBP at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 8.71ct lab-grown round diamond

This 8.71ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG618439627 or 618439627. Listed at 22 retailers as of October 31, 2026, with prices from £1,104 to £7,822, a £6,718 spread on the same certified stone. Brilliant Earth lists it at £7,822. 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

8.71

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.7°

Pavilion angle40.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG618439627

Dimensions13.08 × 13.18 × 8.11 mm

L/W Ratio1.01

Girdle conditionFaceted

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 LG618439627

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 1

Current: £7,822 GBP|Low: £1,060 GBP|High: £8,448 GBP|Avg: £2,445 GBP|-3.6%

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Retailer 14

Retailer 15

Retailer 16

November 1, 2026

Retailer 16£1,104 GBP

Retailer 8£1,201 GBP

Retailer 5£1,236 GBP

Retailer 6£1,281 GBP

Retailer 14£1,407 GBP

Retailer 7£1,665 GBP

Retailer 9£1,676 GBP

Retailer 10£1,786 GBP

Retailer 15£1,825 GBP

Retailer 12£1,943 GBP

Retailer 13£2,148 GBP

Retailer 11£2,373 GBP

Retailer 4£3,451 GBP

Retailer 2£3,658 GBP

Retailer 3£3,754 GBP

Brilliant Earth£7,822 GBP

38 data points across 16 retailers

22 retailers£1,104 GBP to £7,822 GBP

Cheapest Retailer

£1,104 GBP

$1,479 USD

Retailer 2

£1,201 GBP

$1,609 USD

View

Retailer 3

£1,236 GBP

$1,656 USD

View

Final sale: no returns

Retailer 4

£1,281 GBP

$1,716 USD

View

Retailer 5

£1,281 GBP

$1,716 USD

View

Price last confirmed 20 days ago

Retailer 6

£1,407 GBP

$1,885 USD

View

Retailer 7

£1,665 GBP

$2,231 USD

View

Retailer 8

£1,676 GBP

View

Retailer 9

£1,786 GBP

View

B+

Retailer 10

£1,825 GBP

$2,445 USD

View

Retailer 11

£1,943 GBP

€2,479 EUR

View

B+

Retailer 12

£2,055 GBP

$2,754 USD

View

B+

Retailer 13

£2,148 GBP

ZAR 46,491 ZAR

View

B+

Retailer 14

£2,373 GBP

A$4,892 AUD

View

B+

Retailer 15

£2,400 GBP

$3,216 USD

View

B+

Retailer 16

£3,146 GBP

$4,216 USD

View

Retailer 17

£3,451 GBP

$4,624 USD

View

Retailer 18

£3,623 GBP

$4,855 USD

View

Retailer 19

£3,658 GBP

View

Retailer 20

£3,754 GBP

$5,031 USD

View

Retailer 21

£4,505 GBP

$6,036 USD

View

Most Expensive

Brilliant Earth

9066630A · Oct 31

£7,822 GBP

$10,480 USD

View

21 more retailers have this diamond

Prices start from £1,104 GBPSave up to £6,718 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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8.71ct Round

£1,104 GBP