Radiant|Lab Grown|IGI

5.08ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG728578081

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

Certificate IGI LG728578081

Diamond specifications and retailer prices

From £5,848 GBP

$7,836 USD

As of October 30, 2026

Save £30,909 GBP (84%) vs most expensive(unlock to see where)

31 retailers carry this diamond

Most expensive: £36,757 GBP at With Clarity · As of October 31, 2026

View at With Clarity

About this 5.08ct lab-grown radiant diamond

This 5.08ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG728578081 or 728578081. Listed at 31 retailers as of October 30, 2026, with prices from £5,848 to £36,757, a £30,909 spread on the same certified stone. With Clarity lists it at £36,757. 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

5.08

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle42.7°

Pavilion angle33.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG728578081

Dimensions12.05 × 8.72 × 5.73 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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG728578081

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: £11,353 GBP|Low: £5,848 GBP|High: £36,757 GBP|Avg: £11,810 GBP|-5.3%

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

Retailer 15

Retailer 16

Retailer 17

Retailer 18

Retailer 19

Retailer 20

With Clarity

October 31, 2026

Retailer 2£5,848 GBP

Retailer 18£6,025 GBP

Retailer 15£6,732 GBP

Retailer 4£7,394 GBP

Retailer 11£7,545 GBP

Retailer 17£7,546 GBP

Retailer 16£7,722 GBP

Retailer 12£7,933 GBP

Retailer 14£8,366 GBP

Retailer 7£9,725 GBP

Retailer 20£11,038 GBP

Retailer 1£11,353 GBP

Retailer 19£12,408 GBP

Retailer 9£13,389 GBP

Retailer 8£13,783 GBP

Retailer 10£15,218 GBP

Retailer 13£17,786 GBP

Retailer 3£18,889 GBP

Retailer 6£22,228 GBP

Retailer 5£25,169 GBP

With Clarity£36,757 GBP

36 data points across 21 retailers

31 retailers£5,848 GBP to £36,757 GBP

Cheapest Retailer

£5,848 GBP

$7,836 USD

Retailer 2

£6,025 GBP

$8,073 USD

View

Retailer 3

£6,306 GBP

$8,449 USD

View

Price last confirmed 23 days ago

Retailer 4

£6,306 GBP

$8,449 USD

View

Price last confirmed 31 days ago

Retailer 5

£6,558 GBP

$8,787 USD

View

Price last confirmed 33 days ago

Retailer 6

£6,732 GBP

$9,020 USD

View

Retailer 7

£7,214 GBP

$9,666 USD

View

Price last confirmed 33 days ago

Retailer 8

£7,315 GBP

$9,801 USD

View

Price last confirmed 28 days ago

Retailer 9

£7,394 GBP

HK$77,400 HKD

View

Retailer 10

£7,545 GBP

$10,110 USD

View

Retailer 11

£7,546 GBP

$10,111 USD

View

Retailer 12

£7,677 GBP

$10,287 USD

View

Retailer 13

£7,722 GBP

$10,346 USD

View

Retailer 14

£7,933 GBP

$10,630 USD

View

Final sale: no returns

Retailer 15

£8,226 GBP

$11,022 USD

View

Retailer 16

£8,226 GBP

$11,022 USD

View

Price last confirmed 20 days ago

Retailer 17

£8,226 GBP

$11,022 USD

View

Price last confirmed 30 days ago

Retailer 18

£8,366 GBP

View

Retailer 19

£9,725 GBP

View

Retailer 20

£11,038 GBP

$14,790 USD

View

Retailer 21

£11,353 GBP

€14,488 EUR

View

Retailer 22

£12,408 GBP

$16,626 USD

View

Retailer 23

£13,389 GBP

View

Retailer 24

£13,783 GBP

ZAR 298,340 ZAR

View

Retailer 25

£15,218 GBP

A$31,369 AUD

View

Price last confirmed 8 days ago

Retailer 26

£17,786 GBP

A$36,663 AUD

View

Price last confirmed 30 days ago

B+

Retailer 27

£18,889 GBP

$25,309 USD

View

B+

Retailer 28

£20,169 GBP

$27,024 USD

View

B+

Retailer 29

£22,228 GBP

$29,783 USD

View

Retailer 30

£25,169 GBP

SGD 45,572 SGD

View

Most Expensive

With Clarity

728578081 · Oct 31

£36,757 GBP

$49,251 USD

View

30 more retailers have this diamond

Prices start from £5,848 GBPSave up to £30,909 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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