Radiant|Lab Grown|IGI

4.02ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG780666053

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

Certificate IGI LG780666053

Diamond specifications and retailer prices

From £2,659 GBP

$3,563 USD

As of October 29, 2026

Save £13,782 GBP (84%) vs most expensive(unlock to see where)

15 retailers carry this diamond

Most expensive: £16,442 GBP at Do Amore Diamonds · As of October 29, 2026

View at Do Amore Diamonds

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 LG780666053 or 780666053. Listed at 15 retailers as of October 29, 2026, with prices from £2,659 to £16,442, a £13,782 spread on the same certified stone. Do Amore Diamonds lists it at £16,442. 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

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle42.4°

Pavilion angle34.2°

OriginLab Grown

Grading LabIGI

CertificateIGI LG780666053

Dimensions11.02 × 7.91 × 5.26 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 LG780666053

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 29

Current: £16,442 GBP|Low: £2,659 GBP|High: £22,539 GBP|Avg: £7,178 GBP|-27.1%

Do Amore Diamonds

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

October 30, 2026

Retailer 9£2,659 GBP

Retailer 7£2,888 GBP

Retailer 11£3,129 GBP

Retailer 4£3,138 GBP

Retailer 10£3,902 GBP

Retailer 8£4,305 GBP

Retailer 3£5,406 GBP

Retailer 6£5,709 GBP

Retailer 5£6,589 GBP

Retailer 12£7,550 GBP

Retailer 2£9,157 GBP

Do Amore Diamonds£16,442 GBP

35 data points across 12 retailers

15 retailers£2,659 GBP to £16,442 GBP

Cheapest Retailer

£2,659 GBP

$3,563 USD

Retailer 2

£2,888 GBP

$3,870 USD

View

Retailer 3

£3,129 GBP

$4,193 USD

View

Retailer 4

£3,138 GBP

$4,205 USD

View

Final sale: no returns

Retailer 5

£3,182 GBP

$4,263 USD

View

Price last confirmed 30 days ago

Retailer 6

£3,334 GBP

$4,467 USD

View

Price last confirmed 33 days ago

Retailer 7

£3,902 GBP

$5,228 USD

View

Retailer 8

£4,305 GBP

$5,768 USD

View

Retailer 9

£5,090 GBP

$6,820 USD

View

Price last confirmed 30 days ago

Retailer 10

£5,406 GBP

€6,898 EUR

View

Price last confirmed 7 days ago

B+

Retailer 11

£5,709 GBP

$7,650 USD

View

B+

Retailer 12

£6,589 GBP

View

B+

Retailer 13

£7,550 GBP

$10,116 USD

View

B+

Retailer 14

£9,157 GBP

$12,270 USD

View

Most Expensive

Do Amore Diamonds

27-15DDAF019 · Oct 29

£16,442 GBP

$22,030 USD

View

14 more retailers have this diamond

Prices start from £2,659 GBPSave up to £13,782 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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