Radiant|Lab Grown|IGI

3.59ct F IF Radiant Lab Grown Diamond

ID • F/IF • IGI LG628401310

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

Certificate IGI LG628401310

Diamond specifications and retailer prices

From £2,255 GBP

HK$23,600 HKD

As of October 31, 2026

Save £5,754 GBP (72%) vs most expensive(unlock to see where)

27 retailers carry this diamond

Most expensive: £9,665 GBP at Do Amore Diamonds · As of October 23, 2026

View at Do Amore Diamonds

About this 3.59ct lab-grown radiant diamond

This 3.59ct lab-grown radiant sits in the three to five carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG628401310 or 628401310. Listed at 27 retailers as of October 31, 2026, with a 255% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.59

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle43.9°

Pavilion angle34.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG628401310

Dimensions11.06 × 7.54 × 4.94 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 LG628401310

Side View

Caratlytics Score

How it works →

B+

Very Good

Strong quality and value balance

Unlock full score analysis

See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31

Current: £9,665 GBP|Low: £1,405 GBP|High: £9,665 GBP|Avg: £3,952 GBP

Do Amore Diamonds

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

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Retailer 9

Retailer 10

Retailer 11

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Retailer 15

Retailer 16

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Retailer 19

Retailer 20

Retailer 21

October 31, 2026

Retailer 21£1,405 GBP

Retailer 15£1,754 GBP

Retailer 8£1,755 GBP

Retailer 5£1,822 GBP

Retailer 11£2,035 GBP

Retailer 7£2,255 GBP

Retailer 13£2,494 GBP

Retailer 20£2,676 GBP

Retailer 3£2,717 GBP

Retailer 18£2,860 GBP

Retailer 10£3,412 GBP

Retailer 16£4,132 GBP

Retailer 17£4,258 GBP

Retailer 6£4,391 GBP

Retailer 4£4,568 GBP

Retailer 14£4,716 GBP

Retailer 19£4,908 GBP

Retailer 9£6,293 GBP

Retailer 12£6,511 GBP

Retailer 2£8,008 GBP

Do Amore Diamonds£9,665 GBP

35 data points across 21 retailers

27 retailers£2,255 GBP to £8,008 GBP

Retailer 1

£1,405 GBP

$1,883 USD

Price last confirmed 11 days ago

Retailer 2

£1,405 GBP

$1,883 USD

View

Price last confirmed 25 days ago

Retailer 3

£1,405 GBP

$1,883 USD

View

Price last confirmed 33 days ago

Retailer 4

£1,529 GBP

$2,049 USD

View

Price last confirmed 35 days ago

Retailer 5

£1,608 GBP

$2,154 USD

View

Price last confirmed 36 days ago

Retailer 6

£1,630 GBP

$2,184 USD

View

Price last confirmed 30 days ago

Retailer 7

£1,754 GBP

$2,350 USD

View

Price last confirmed 10 days ago

Retailer 8

£1,755 GBP

$2,351 USD

View

Price last confirmed 11 days ago

Retailer 9

£2,035 GBP

$2,727 USD

View

Price last confirmed 9 days ago

B+

Retailer 10

£2,255 GBP

HK$23,600 HKD

View

Retailer 11

£2,473 GBP

$3,314 USD

View

Price last confirmed 11 days ago

Retailer 12

£2,473 GBP

$3,314 USD

View

Price last confirmed 32 days ago

Retailer 13

£2,473 GBP

$3,314 USD

View

Price last confirmed 22 days ago

Retailer 14

£2,494 GBP

View

Price last confirmed 10 days ago

Retailer 15

£2,676 GBP

$3,586 USD

View

Price last confirmed 11 days ago

Retailer 16

£2,717 GBP

$3,640 USD

View

Price last confirmed 12 days ago

Retailer 17

£3,412 GBP

View

Price last confirmed 11 days ago

Retailer 18

£4,132 GBP

ZAR 89,446 ZAR

View

Price last confirmed 13 days ago

Retailer 19

£4,258 GBP

$5,705 USD

View

Price last confirmed 12 days ago

Retailer 20

£4,391 GBP

$5,884 USD

View

Price last confirmed 11 days ago

Retailer 21

£4,568 GBP

A$9,416 AUD

View

Price last confirmed 28 days ago

Retailer 22

£4,716 GBP

$6,318 USD

View

Price last confirmed 11 days ago

Retailer 23

£4,908 GBP

View

Price last confirmed 12 days ago

Retailer 24

£6,293 GBP

$8,432 USD

View

Price last confirmed 11 days ago

Retailer 25

£6,511 GBP

SGD 11,790 SGD

View

Price last confirmed 12 days ago

Retailer 26

£8,008 GBP

$10,730 USD

View

Most Expensive

Do Amore Diamonds

27-45CBE911D · Oct 23

£9,665 GBP

$12,950 USD

View

Price last confirmed 10 days ago

26 more retailers have this diamond

Prices start from £2,255 GBPSave up to £5,754 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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