Radiant|Lab Grown|IGI

3.11ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG741538061

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

Certificate IGI LG741538061

Diamond specifications and retailer prices

From £933 GBP

$1,250 USD

As of October 30, 2026

Save £5,411 GBP (85%) vs most expensive(unlock to see where)

33 retailers carry this diamond

Most expensive: £6,344 GBP at Brilliant Earth · As of October 30, 2026

View at Brilliant Earth

About this 3.11ct lab-grown radiant diamond

This 3.11ct 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 LG741538061 or 741538061. Listed at 33 retailers as of October 30, 2026, with prices from £933 to £6,344, a £5,411 spread on the same certified stone. Brilliant Earth lists it at £6,344. 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

3.11

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle43.3°

Pavilion angle32.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG741538061

Dimensions10.62 × 7.23 × 4.69 mm

L/W Ratio1.47

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 LG741538061

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: £6,344 GBP|Low: £933 GBP|High: £8,941 GBP|Avg: £2,873 GBP|-29.0%

Brilliant Earth

Retailer 2

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October 31, 2026

Retailer 20£933 GBP

Retailer 2£1,138 GBP

Retailer 19£1,189 GBP

Retailer 17£1,259 GBP

Retailer 22£1,318 GBP

Retailer 5£1,521 GBP

Retailer 14£1,778 GBP

Retailer 10£1,888 GBP

Retailer 16£2,017 GBP

Retailer 13£2,283 GBP

Retailer 8£2,513 GBP

Retailer 7£2,616 GBP

Retailer 11£2,680 GBP

Retailer 15£3,064 GBP

Retailer 18£3,106 GBP

Retailer 21£3,392 GBP

Retailer 6£3,797 GBP

Retailer 4£3,807 GBP

Retailer 9£3,827 GBP

Retailer 3£4,132 GBP

Retailer 12£4,265 GBP

Brilliant Earth£6,344 GBP

31 data points across 22 retailers

33 retailers£933 GBP to £6,344 GBP

Cheapest Retailer

£933 GBP

$1,250 USD

Retailer 2

£1,022 GBP

$1,369 USD

View

Price last confirmed 23 days ago

Retailer 3

£1,098 GBP

$1,471 USD

View

Price last confirmed 32 days ago

Retailer 4

£1,138 GBP

$1,525 USD

View

Retailer 5

£1,185 GBP

$1,588 USD

View

Price last confirmed 29 days ago

Retailer 6

£1,189 GBP

$1,593 USD

View

Final sale: no returns

Retailer 7

£1,195 GBP

$1,601 USD

View

Price last confirmed 34 days ago

Retailer 8

£1,256 GBP

$1,683 USD

View

Price last confirmed 34 days ago

Retailer 9

£1,256 GBP

$1,683 USD

View

Price last confirmed 31 days ago

Retailer 10

£1,259 GBP

$1,687 USD

View

Retailer 11

£1,318 GBP

HK$13,800 HKD

View

Retailer 12

£1,521 GBP

View

Retailer 13

£1,712 GBP

View

Price last confirmed 16 days ago

Retailer 14

£1,778 GBP

$2,382 USD

View

Retailer 15

£1,888 GBP

€2,409 EUR

View

Price last confirmed 8 days ago

Retailer 16

£2,017 GBP

$2,703 USD

View

Retailer 17

£2,221 GBP

$2,976 USD

View

Retailer 18

£2,221 GBP

$2,976 USD

View

Price last confirmed 21 days ago

Retailer 19

£2,283 GBP

$3,059 USD

View

Retailer 20

£2,388 GBP

$3,199 USD

View

Price last confirmed 31 days ago

Retailer 21

£2,513 GBP

ZAR 54,407 ZAR

View

B+

Retailer 22

£2,616 GBP

View

Retailer 23

£2,680 GBP

A$5,525 AUD

View

Price last confirmed 9 days ago

B+

Retailer 24

£3,064 GBP

$4,105 USD

View

B+

Retailer 25

£3,106 GBP

$4,162 USD

View

B+

Retailer 26

£3,392 GBP

$4,545 USD

View

B+

Retailer 27

£3,797 GBP

$5,088 USD

View

B+

Retailer 28

£3,807 GBP

SGD 6,893 SGD

View

B+

Retailer 29

£3,827 GBP

View

B+

Retailer 30

£4,132 GBP

$5,537 USD

View

Retailer 31

£4,265 GBP

$5,715 USD

View

Price last confirmed 10 days ago

Retailer 32

£5,160 GBP

A$10,637 AUD

View

Price last confirmed 31 days ago

Most Expensive

Brilliant Earth

16656363A · Oct 30

£6,344 GBP

$8,500 USD

View

32 more retailers have this diamond

Prices start from £933 GBPSave up to £5,411 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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