Radiant|Lab Grown|IGI

5.03ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG768630630

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

Certificate IGI LG768630630

Diamond specifications and retailer prices

From £7,786 GBP

$10,432 USD

As of October 30, 2026

Save £28,805 GBP (79%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: £36,591 GBP at With Clarity · As of October 30, 2026

View at With Clarity

About this 5.03ct lab-grown radiant diamond

This 5.03ct 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 LG768630630 or 768630630. Listed at 14 retailers as of October 30, 2026, with prices from £7,786 to £36,591, a £28,805 spread on the same certified stone. With Clarity lists it at £36,591. 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

5.03

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle40.7°

Pavilion angle32.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG768630630

Dimensions12.51 × 8.41 × 5.48 mm

L/W Ratio1.49

Culet sizeLarge

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 LG768630630

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 30

Current: £13,889 GBP|Low: £7,507 GBP|High: £36,591 GBP|Avg: £16,386 GBP|-35.0%

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

With Clarity

October 30, 2026

Retailer 5£7,507 GBP

Retailer 11£7,786 GBP

Retailer 13£8,258 GBP

Retailer 2£8,701 GBP

Retailer 10£8,945 GBP

Retailer 6£10,642 GBP

Retailer 1£13,889 GBP

Retailer 8£14,125 GBP

Retailer 9£15,032 GBP

Retailer 3£16,360 GBP

Retailer 7£18,173 GBP

Retailer 12£24,777 GBP

Retailer 4£27,365 GBP

With Clarity£36,591 GBP

33 data points across 14 retailers

14 retailers£7,786 GBP to £36,591 GBP

Cheapest Retailer

£7,786 GBP

$10,432 USD

Retailer 2

£8,258 GBP

$11,065 USD

View

Retailer 3

£8,701 GBP

$11,658 USD

View

Retailer 4

£8,945 GBP

$11,985 USD

View

Retailer 5

£10,642 GBP

View

Retailer 6

£10,969 GBP

View

Price last confirmed 15 days ago

Retailer 7

£13,889 GBP

$18,610 USD

View

Retailer 8

£14,125 GBP

View

Retailer 9

£15,032 GBP

€19,182 EUR

View

Price last confirmed 7 days ago

B+

Retailer 10

£16,360 GBP

$21,920 USD

View

B+

Retailer 11

£18,173 GBP

ZAR 393,371 ZAR

View

Retailer 12

£24,777 GBP

$33,198 USD

View

Retailer 13

£27,365 GBP

$36,666 USD

View

Most Expensive

With Clarity

768630630 · Oct 30

£36,591 GBP

$49,028 USD

View

13 more retailers have this diamond

Prices start from £7,786 GBPSave up to £28,805 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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