Radiant|Lab Grown|IGI

5.06ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG804660051

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

Certificate IGI LG804660051

Diamond specifications and retailer prices

From £6,696 GBP

$8,917 USD

As of October 27, 2026

Save £14,285 GBP (68%) vs most expensive(unlock to see where)

15 retailers carry this diamond

Most expensive: £20,981 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 5.06ct lab-grown radiant diamond

This 5.06ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804660051 or 804660051. Listed at 15 retailers as of October 27, 2026, with prices from £6,696 to £20,981, a £14,285 spread on the same certified stone. Brilliant Earth lists it at £20,981. 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

5.06

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle43.8°

Pavilion angle34.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG804660051

Dimensions11.95 × 8.50 × 5.72 mm

L/W Ratio1.41

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 LG804660051

Side View

Caratlytics Score

How it works →

A+

Exceptional

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: £20,981 GBP|Low: £6,696 GBP|High: £45,213 GBP|Avg: £14,071 GBP|-3.0%

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

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Retailer 7

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Retailer 9

Retailer 10

Retailer 11

Retailer 12

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Retailer 15

October 29, 2026

Retailer 9£6,696 GBP

Retailer 11£6,739 GBP

Retailer 5£6,820 GBP

Retailer 3£6,964 GBP

Retailer 14£7,690 GBP

Retailer 15£8,036 GBP

Retailer 12£8,503 GBP

Retailer 8£8,853 GBP

Retailer 10£8,985 GBP

Retailer 6£9,036 GBP

Retailer 2£13,847 GBP

Retailer 4£15,113 GBP

Brilliant Earth£20,981 GBP

Retailer 7£22,840 GBP

Retailer 13£41,782 GBP

34 data points across 15 retailers

15 retailers£6,696 GBP to £20,981 GBP

A+

Cheapest Retailer

£6,696 GBP

$8,917 USD

Retailer 2

£6,739 GBP

$8,974 USD

View

Retailer 3

£6,820 GBP

$9,082 USD

View

Retailer 4

£6,964 GBP

$9,274 USD

View

Retailer 5

£7,690 GBP

$10,240 USD

View

Retailer 6

£8,036 GBP

$10,701 USD

View

Retailer 7

£8,503 GBP

$11,323 USD

View

Retailer 8

£8,853 GBP

$11,790 USD

View

Retailer 9

£8,985 GBP

$11,965 USD

View

Retailer 10

£9,036 GBP

$12,033 USD

View

Final sale: no returns

B+

Retailer 11

£13,520 GBP

$18,005 USD

View

Price last confirmed 100 days ago

Retailer 12

£13,847 GBP

View

B+

Retailer 13

£15,113 GBP

€19,167 EUR

View

Most Expensive

Brilliant Earth

20785823Y · Oct 29

£20,981 GBP

$27,940 USD

View

13 more retailers have this diamond

Prices start from £6,696 GBPSave up to £14,285 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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A+

5.06ct Radiant

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