Radiant|Lab Grown|IGI

4.02ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG754508388

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

Certificate IGI LG754508388

Diamond specifications and retailer prices

From £3,197 GBP

$4,283 USD

As of November 2, 2026

Save £14,480 GBP (82%) vs most expensive(unlock to see where)

15 retailers carry this diamond

Most expensive: £17,676 GBP at With Clarity · As of November 2, 2026

View at With Clarity

About this 4.02ct lab-grown radiant diamond

This 4.02ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754508388 or 754508388. Listed at 15 retailers as of November 2, 2026, with prices from £3,197 to £17,676, a £14,480 spread on the same certified stone. With Clarity lists it at £17,676. 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

4.02

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle42.9°

Pavilion angle34.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG754508388

Dimensions11.08 × 8.04 × 5.34 mm

L/W Ratio1.38

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 LG754508388

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: Nov 2

Current: £4,364 GBP|Low: £3,197 GBP|High: £23,343 GBP|Avg: £8,734 GBP|-23.4%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Retailer 14

With Clarity

November 2, 2026

Retailer 14£3,197 GBP

Retailer 2£4,170 GBP

Retailer 3£4,184 GBP

Retailer 1£4,364 GBP

Retailer 13£5,138 GBP

Retailer 8£5,460 GBP

Retailer 11£6,019 GBP

Retailer 10£7,144 GBP

Retailer 7£7,190 GBP

Retailer 4£8,471 GBP

Retailer 12£8,977 GBP

Retailer 9£9,859 GBP

Retailer 6£11,888 GBP

Retailer 5£12,102 GBP

With Clarity£17,676 GBP

34 data points across 15 retailers

15 retailers£3,197 GBP to £17,676 GBP

Cheapest Retailer

£3,197 GBP

$4,283 USD

Retailer 2

£4,170 GBP

$5,587 USD

View

Retailer 3

£4,184 GBP

HK$43,800 HKD

View

Retailer 4

£4,364 GBP

View

Retailer 5

£5,138 GBP

$6,885 USD

View

B+

Retailer 6

£5,460 GBP

€6,967 EUR

View

B+

Retailer 7

£6,019 GBP

$8,065 USD

View

B+

Retailer 8

£7,144 GBP

ZAR 154,638 ZAR

View

B+

Retailer 9

£7,190 GBP

View

B+

Retailer 10

£8,471 GBP

$11,350 USD

View

B+

Retailer 11

£8,977 GBP

$12,028 USD

View

B+

Retailer 12

£9,859 GBP

$13,210 USD

View

Retailer 13

£11,888 GBP

$15,929 USD

View

Retailer 14

£12,102 GBP

SGD 21,913 SGD

View

Most Expensive

With Clarity

754508388 · Nov 2

£17,676 GBP

$23,684 USD

View

14 more retailers have this diamond

Prices start from £3,197 GBPSave up to £14,480 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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