Radiant|Lab Grown|IGI

4.10ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG727517956

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

Certificate IGI LG727517956

Diamond specifications and retailer prices

From £2,429 GBP

$3,235 USD

As of October 27, 2026

Save £12,242 GBP (83%) vs most expensive(unlock to see where)

28 retailers carry this diamond

Most expensive: £14,671 GBP at With Clarity · As of October 30, 2026

View at With Clarity

About this 4.1ct lab-grown radiant diamond

This 4.1ct lab-grown radiant 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 LG727517956 or 727517956. Listed at 28 retailers as of October 27, 2026, with prices from £2,429 to £14,671, a £12,242 spread on the same certified stone. With Clarity lists it at £14,671. 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

4.10

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle40.5°

Pavilion angle34.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG727517956

Dimensions11.22 × 8.06 × 5.38 mm

L/W Ratio1.39

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 LG727517956

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 27

Current: £3,749 GBP|Low: £2,429 GBP|High: £14,671 GBP|Avg: £6,052 GBP|-8.1%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

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Retailer 7

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Retailer 9

Retailer 10

Retailer 11

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Retailer 13

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Retailer 17

Retailer 18

Retailer 19

Retailer 20

Retailer 21

Retailer 22

With Clarity

October 30, 2026

Retailer 3£2,429 GBP

Retailer 19£2,721 GBP

Retailer 10£2,771 GBP

Retailer 22£2,936 GBP

Retailer 11£3,470 GBP

Retailer 1£3,749 GBP

Retailer 21£3,966 GBP

Retailer 4£4,271 GBP

Retailer 14£4,292 GBP

Retailer 6£4,461 GBP

Retailer 17£4,520 GBP

Retailer 20£5,155 GBP

Retailer 12£5,998 GBP

Retailer 18£6,071 GBP

Retailer 9£7,042 GBP

Retailer 16£7,181 GBP

Retailer 13£7,451 GBP

Retailer 8£7,818 GBP

Retailer 5£7,936 GBP

Retailer 15£9,860 GBP

Retailer 2£10,046 GBP

Retailer 7£10,738 GBP

With Clarity£14,671 GBP

36 data points across 23 retailers

28 retailers£2,429 GBP to £14,671 GBP

Cheapest Retailer

£2,429 GBP

$3,235 USD

Retailer 2

£2,721 GBP

$3,623 USD

View

Final sale: no returns

Retailer 3

£2,771 GBP

$3,690 USD

View

Retailer 4

£2,818 GBP

$3,753 USD

View

Price last confirmed 26 days ago

Retailer 5

£2,936 GBP

$3,910 USD

View

Retailer 6

£2,968 GBP

$3,953 USD

View

Price last confirmed 32 days ago

Retailer 7

£3,470 GBP

HK$36,100 HKD

View

Retailer 8

£3,522 GBP

$4,690 USD

View

Price last confirmed 19 days ago

Retailer 9

£3,522 GBP

$4,690 USD

View

Retailer 10

£3,749 GBP

View

Retailer 11

£3,761 GBP

$5,009 USD

View

Price last confirmed 29 days ago

Retailer 12

£3,966 GBP

$5,282 USD

View

Retailer 13

£4,271 GBP

$5,688 USD

View

Price last confirmed 6 days ago

Retailer 14

£4,292 GBP

View

Retailer 15

£4,461 GBP

$5,940 USD

View

Retailer 16

£4,520 GBP

€5,732 EUR

View

Retailer 17

£5,155 GBP

$6,865 USD

View

B+

Retailer 18

£5,998 GBP

ZAR 129,028 ZAR

View

Retailer 19

£6,071 GBP

A$12,437 AUD

View

Price last confirmed 7 days ago

B+

Retailer 20

£7,042 GBP

$9,378 USD

View

B+

Retailer 21

£7,181 GBP

View

B+

Retailer 22

£7,451 GBP

$9,922 USD

View

B+

Retailer 23

£7,818 GBP

$10,411 USD

View

Retailer 24

£7,936 GBP

A$16,258 AUD

View

Price last confirmed 25 days ago

Retailer 25

£9,860 GBP

$13,131 USD

View

Retailer 26

£10,046 GBP

SGD 18,078 SGD

View

Retailer 27

£10,738 GBP

$14,300 USD

View

Most Expensive

With Clarity

727517956 · Oct 30

£14,671 GBP

$19,537 USD

View

27 more retailers have this diamond

Prices start from £2,429 GBPSave up to £12,242 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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