Radiant|Lab Grown|IGI

3.06ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG733505613

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

Certificate IGI LG733505613

Diamond specifications and retailer prices

From £817 GBP

$1,095 USD

As of October 30, 2026

Save £5,161 GBP (86%) vs most expensive(unlock to see where)

28 retailers carry this diamond

Most expensive: £5,978 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 3.06ct lab-grown radiant diamond

This 3.06ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG733505613 or 733505613. Listed at 28 retailers as of October 29, 2026, with prices from £817 to £5,978, a £5,161 spread on the same certified stone. Brilliant Earth lists it at £5,978. 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

3.06

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle51.6°

Pavilion angle36.2°

OriginLab Grown

Grading LabIGI

CertificateIGI LG733505613

Dimensions10.95 × 7.28 × 4.61 mm

L/W Ratio1.50

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG733505613

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 30

Current: £5,978 GBP|Low: £817 GBP|High: £5,978 GBP|Avg: £2,016 GBP

Brilliant Earth

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November 1, 2026

Retailer 7£817 GBP

Retailer 4£889 GBP

Retailer 16£914 GBP

Retailer 6£948 GBP

Retailer 19£948 GBP

Retailer 25£1,056 GBP

Retailer 26£1,099 GBP

Retailer 13£1,128 GBP

Retailer 10£1,140 GBP

Retailer 20£1,373 GBP

Retailer 5£1,427 GBP

Retailer 23£1,510 GBP

Retailer 8£1,777 GBP

Retailer 9£1,923 GBP

Retailer 21£2,140 GBP

Retailer 15£2,182 GBP

Retailer 24£2,201 GBP

Retailer 14£2,616 GBP

Retailer 11£2,803 GBP

Retailer 12£3,022 GBP

Retailer 2£3,215 GBP

Retailer 18£3,313 GBP

Retailer 17£3,428 GBP

Retailer 3£4,239 GBP

Retailer 22£5,027 GBP

Brilliant Earth£5,978 GBP

29 data points across 26 retailers

28 retailers£817 GBP to £5,978 GBP

Cheapest Retailer

£817 GBP

$1,095 USD

Retailer 2

£889 GBP

$1,191 USD

View

Retailer 3

£914 GBP

$1,225 USD

View

Final sale: no returns

Retailer 4

£948 GBP

$1,270 USD

View

Price last confirmed 15 days ago

Retailer 5

£948 GBP

$1,270 USD

View

Retailer 6

£1,056 GBP

$1,415 USD

View

Retailer 7

£1,099 GBP

HK$11,500 HKD

View

Retailer 8

£1,128 GBP

View

Retailer 9

£1,140 GBP

$1,528 USD

View

Retailer 10

£1,373 GBP

View

Retailer 11

£1,427 GBP

$1,912 USD

View

Retailer 12

£1,510 GBP

€1,927 EUR

View

Retailer 13

£1,777 GBP

$2,381 USD

View

Retailer 14

£1,923 GBP

$2,576 USD

View

Retailer 15

£2,140 GBP

A$4,412 AUD

View

Retailer 16

£2,182 GBP

$2,923 USD

View

Retailer 17

£2,201 GBP

ZAR 47,642 ZAR

View

B+

Retailer 18

£2,616 GBP

View

B+

Retailer 19

£2,744 GBP

$3,677 USD

View

B+

Retailer 20

£2,803 GBP

$3,756 USD

View

B+

Retailer 21

£3,022 GBP

$4,049 USD

View

B+

Retailer 22

£3,215 GBP

View

B+

Retailer 23

£3,313 GBP

$4,439 USD

View

B+

Retailer 24

£3,428 GBP

$4,593 USD

View

Retailer 25

£4,239 GBP

$5,680 USD

View

Price last confirmed 11 days ago

Retailer 26

£4,502 GBP

View

Price last confirmed 15 days ago

Retailer 27

£5,027 GBP

A$10,362 AUD

View

Most Expensive

Brilliant Earth

15764056A · Oct 29

£5,978 GBP

$8,010 USD

View

27 more retailers have this diamond

Prices start from £817 GBPSave up to £5,161 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 3.06ct D IF radiant lab-grown

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

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