Round|Lab Grown|IGI

3.01ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG646477399

Shape and cutting style on the report: Round brilliant

Certificate IGI LG646477399

Diamond specifications and retailer prices

From £629 GBP

$837 USD

As of October 28, 2026

Save £7,782 GBP (93%) vs most expensive(unlock to see where)

28 retailers carry this diamond

Most expensive: £8,410 GBP at Brilliant Earth · As of October 24, 2026

View at Brilliant Earth

About this 3.01ct lab-grown round diamond

This 3.01ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG646477399 or 646477399. Listed at 28 retailers as of October 24, 2026, with prices from £629 to £8,410, a £7,782 spread on the same certified stone. Brilliant Earth lists it at £8,410. 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

3.01

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.9°

Pavilion angle40.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG646477399

Dimensions9.29 × 9.25 × 5.63 mm

L/W Ratio1.00

Girdle conditionFaceted

Culet sizePointed

Cert comments

As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG646477399

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 28

Current: £8,410 GBP|Low: £595 GBP|High: £8,410 GBP|Avg: £1,803 GBP

Brilliant Earth

Retailer 2

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Retailer 22

October 30, 2026

Retailer 14£620 GBP

Retailer 7£629 GBP

Retailer 8£651 GBP

Retailer 15£674 GBP

Retailer 20£721 GBP

Retailer 21£875 GBP

Retailer 2£879 GBP

Retailer 6£884 GBP

Retailer 18£1,054 GBP

Retailer 13£1,100 GBP

Retailer 5£1,203 GBP

Retailer 17£1,422 GBP

Retailer 4£1,604 GBP

Retailer 11£1,622 GBP

Retailer 16£1,669 GBP

Retailer 9£2,190 GBP

Retailer 22£2,201 GBP

Retailer 10£2,568 GBP

Retailer 12£2,709 GBP

Retailer 19£3,991 GBP

Retailer 3£4,986 GBP

Brilliant Earth£8,410 GBP

37 data points across 22 retailers

28 retailers£629 GBP to £8,410 GBP

Retailer 1

£620 GBP

$825 USD

Price last confirmed 7 days ago

Retailer 2

£629 GBP

$837 USD

View

Final sale: no returns

Retailer 3

£651 GBP

$867 USD

View

Retailer 4

£674 GBP

$898 USD

View

Price last confirmed 10 days ago

Retailer 5

£719 GBP

$957 USD

View

Price last confirmed 12 days ago

Retailer 6

£721 GBP

$960 USD

View

Retailer 7

£875 GBP

$1,165 USD

View

Retailer 8

£879 GBP

View

Retailer 9

£884 GBP

HK$9,200 HKD

View

Retailer 10

£1,054 GBP

$1,404 USD

View

Retailer 11

£1,100 GBP

View

Retailer 12

£1,203 GBP

$1,602 USD

View

Retailer 13

£1,422 GBP

€1,804 EUR

View

Retailer 14

£1,604 GBP

$2,136 USD

View

Retailer 15

£1,622 GBP

A$3,323 AUD

View

Price last confirmed 8 days ago

Retailer 16

£1,669 GBP

ZAR 35,912 ZAR

View

Retailer 17

£2,022 GBP

$2,692 USD

View

Price last confirmed 8 days ago

B+

Retailer 18

£2,190 GBP

$2,917 USD

View

B+

Retailer 19

£2,201 GBP

$2,931 USD

View

B+

Retailer 20

£2,360 GBP

$3,143 USD

View

B+

Retailer 21

£2,490 GBP

$3,315 USD

View

B+

Retailer 22

£2,568 GBP

SGD 4,621 SGD

View

B+

Retailer 23

£2,709 GBP

View

Retailer 24

£3,991 GBP

$5,315 USD

View

Retailer 25

£4,559 GBP

View

Price last confirmed 13 days ago

Retailer 26

£4,986 GBP

$6,640 USD

View

Retailer 27

£6,976 GBP

$9,290 USD

View

Most Expensive

Brilliant Earth

11191767A · Oct 24

£8,410 GBP

$11,200 USD

View

27 more retailers have this diamond

Prices start from £629 GBPSave up to £7,782 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.

Where to buy this spec

See every retailer carrying 3.01ct E IF round lab-grown

Ranked by inventory count, with return policy, certs, and trust signals.

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