Round|Lab Grown|IGI

4.89ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG709535020

Shape and cutting style on the report: Round brilliant

Certificate IGI LG709535020

Diamond specifications and retailer prices

From £452 GBP

$605 USD

As of October 29, 2026

Save £3,429 GBP (88%) vs most expensive(unlock to see where)

25 retailers carry this diamond

Most expensive: £3,881 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 4.89ct lab-grown round diamond

This 4.89ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG709535020 or 709535020. Listed at 25 retailers as of October 29, 2026, with prices from £452 to £3,881, a £3,429 spread on the same certified stone. Brilliant Earth lists it at £3,881. 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

4.89

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.2°

Pavilion angle40.2°

OriginLab Grown

Grading LabIGI

CertificateIGI LG709535020

Dimensions10.84 × 10.90 × 6.71 mm

L/W Ratio1.01

Girdle conditionFaceted

Culet sizePointed

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 LG709535020

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 29

Current: £3,881 GBP|Low: £452 GBP|High: £4,321 GBP|Avg: £1,484 GBP|-10.2%

Brilliant Earth

Retailer 2

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October 30, 2026

Retailer 14£452 GBP

Retailer 10£506 GBP

Retailer 6£560 GBP

Retailer 15£560 GBP

Retailer 22£621 GBP

Retailer 21£657 GBP

Retailer 13£766 GBP

Retailer 19£844 GBP

Retailer 8£859 GBP

Retailer 17£874 GBP

Retailer 20£1,115 GBP

Retailer 2£1,122 GBP

Retailer 4£1,226 GBP

Retailer 23£1,226 GBP

Retailer 5£1,473 GBP

Retailer 9£1,489 GBP

Retailer 11£1,787 GBP

Retailer 12£1,811 GBP

Retailer 7£1,873 GBP

Retailer 18£2,444 GBP

Retailer 16£2,487 GBP

Retailer 3£2,944 GBP

Brilliant Earth£3,881 GBP

28 data points across 23 retailers

25 retailers£452 GBP to £3,881 GBP

Cheapest Retailer

£452 GBP

$605 USD

Retailer 2

£506 GBP

$678 USD

View

Retailer 3

£532 GBP

$713 USD

View

Final sale: no returns

Retailer 4

£560 GBP

$751 USD

View

Price last confirmed 14 days ago

Retailer 5

£560 GBP

$751 USD

View

Retailer 6

£621 GBP

HK$6,500 HKD

View

Retailer 7

£657 GBP

$880 USD

View

Retailer 8

£766 GBP

View

Retailer 9

£844 GBP

€1,077 EUR

View

B+

Retailer 10

£859 GBP

$1,151 USD

View

Retailer 11

£874 GBP

View

Retailer 12

£1,115 GBP

ZAR 24,140 ZAR

View

Retailer 13

£1,122 GBP

A$2,313 AUD

View

Retailer 14

£1,226 GBP

$1,643 USD

View

B+

Retailer 15

£1,226 GBP

A$2,528 AUD

View

B+

Retailer 16

£1,473 GBP

$1,974 USD

View

B+

Retailer 17

£1,489 GBP

$1,995 USD

View

B+

Retailer 18

£1,717 GBP

$2,301 USD

View

B+

Retailer 19

£1,787 GBP

$2,395 USD

View

B+

Retailer 20

£1,811 GBP

$2,427 USD

View

B+

Retailer 21

£1,873 GBP

$2,510 USD

View

Retailer 22

£2,444 GBP

View

Retailer 23

£2,487 GBP

A$5,126 AUD

View

Price last confirmed 25 days ago

Retailer 24

£2,944 GBP

$3,945 USD

View

Price last confirmed 12 days ago

Most Expensive

Brilliant Earth

18300343A · Oct 29

£3,881 GBP

$5,200 USD

View

24 more retailers have this diamond

Prices start from £452 GBPSave up to £3,429 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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4.89ct Round

£452 GBP