Round|Lab Grown|IGI

5.03ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG773639473

Shape and cutting style on the report: Round brilliant

Certificate IGI LG773639473

Diamond specifications and retailer prices

From £4,268 GBP

$5,683 USD

As of October 29, 2026

Save £26,566 GBP (86%) vs most expensive(unlock to see where)

24 retailers carry this diamond

Most expensive: £30,834 GBP at Mervis Diamond Importers · As of October 29, 2026

View at Mervis Diamond Importers

About this 5.03ct lab-grown round diamond

This 5.03ct lab-grown round 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 LG773639473 or 773639473. Listed at 24 retailers as of October 29, 2026, with prices from £4,268 to £30,834, a £26,566 spread on the same certified stone. Mervis Diamond Importers lists it at £30,834. 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 angle34°

Pavilion angle41°

OriginLab Grown

Grading LabIGI

CertificateIGI LG773639473

Dimensions11.00 × 11.04 × 6.78 mm

L/W Ratio1.00

Girdle conditionFaceted

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 LG773639473

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 29

Current: £30,834 GBP|Low: £4,268 GBP|High: £30,834 GBP|Avg: £10,454 GBP

Mervis Diamond Importers

Retailer 2

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October 29, 2026

Retailer 23£4,268 GBP

Retailer 20£4,473 GBP

Retailer 11£4,602 GBP

Retailer 12£4,779 GBP

Retailer 14£4,950 GBP

Retailer 15£4,950 GBP

Retailer 19£4,952 GBP

Retailer 22£5,877 GBP

Retailer 21£5,989 GBP

Retailer 6£6,432 GBP

Retailer 4£6,487 GBP

Retailer 13£6,824 GBP

Retailer 3£7,163 GBP

Retailer 18£8,606 GBP

Retailer 9£9,101 GBP

Retailer 17£10,983 GBP

Retailer 2£11,102 GBP

Retailer 5£13,625 GBP

Retailer 8£14,514 GBP

Retailer 10£18,938 GBP

Retailer 16£24,901 GBP

Retailer 7£29,361 GBP

Mervis Diamond Importers£30,834 GBP

38 data points across 23 retailers

24 retailers£4,268 GBP to £30,834 GBP

A+

Cheapest Retailer

£4,268 GBP

$5,683 USD

Retailer 2

£4,473 GBP

$5,956 USD

View

Retailer 3

£4,602 GBP

$6,128 USD

View

Retailer 4

£4,779 GBP

$6,364 USD

View

Final sale: no returns

Retailer 5

£4,950 GBP

$6,592 USD

View

Retailer 6

£4,950 GBP

$6,592 USD

View

Price last confirmed 13 days ago

Retailer 7

£4,952 GBP

$6,595 USD

View

Retailer 8

£5,877 GBP

$7,826 USD

View

Retailer 9

£5,989 GBP

$7,976 USD

View

Retailer 10

£6,432 GBP

$8,565 USD

View

Price last confirmed 11 days ago

Retailer 11

£6,487 GBP

$8,638 USD

View

Retailer 12

£6,824 GBP

View

Retailer 13

£7,163 GBP

$9,539 USD

View

Retailer 14

£8,606 GBP

€10,915 EUR

View

Retailer 15

£9,101 GBP

$12,120 USD

View

Retailer 16

£10,983 GBP

View

Retailer 17

£11,102 GBP

ZAR 238,834 ZAR

View

B+

Retailer 18

£12,583 GBP

$16,756 USD

View

B+

Retailer 19

£13,625 GBP

$18,145 USD

View

B+

Retailer 20

£14,514 GBP

$19,328 USD

View

B+

Retailer 21

£18,938 GBP

$25,219 USD

View

Retailer 22

£24,901 GBP

$33,160 USD

View

Retailer 23

£29,361 GBP

$39,100 USD

View

Most Expensive

Mervis Diamond Importers

1974990120 · Oct 29

£30,834 GBP

$41,061 USD

View

23 more retailers have this diamond

Prices start from £4,268 GBPSave up to £26,566 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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