Round|Lab Grown|IGI

5.62ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG780667857

Shape and cutting style on the report: Round brilliant

Certificate IGI LG780667857

Diamond specifications and retailer prices

From £4,722 GBP

$6,327 USD

As of October 29, 2026

Save £33,504 GBP (88%) vs most expensive(unlock to see where)

22 retailers carry this diamond

Most expensive: £38,226 GBP at Mervis Diamond Importers · As of October 31, 2026

View at Mervis Diamond Importers

About this 5.62ct lab-grown round diamond

This 5.62ct 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 LG780667857 or 780667857. Listed at 22 retailers as of October 29, 2026, with prices from £4,722 to £38,226, a £33,504 spread on the same certified stone. Mervis Diamond Importers lists it at £38,226. 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

5.62

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.7°

Pavilion angle40.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG780667857

Dimensions11.39 × 11.43 × 7.02 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 LG780667857

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: £38,226 GBP|Low: £4,722 GBP|High: £38,226 GBP|Avg: £10,731 GBP

Mervis Diamond Importers

Retailer 2

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Retailer 18

October 31, 2026

Retailer 18£4,722 GBP

Retailer 15£4,911 GBP

Retailer 9£5,288 GBP

Retailer 11£5,463 GBP

Retailer 10£5,478 GBP

Retailer 16£6,513 GBP

Retailer 17£6,607 GBP

Retailer 4£7,177 GBP

Retailer 2£7,574 GBP

Retailer 3£7,950 GBP

Retailer 14£9,557 GBP

Retailer 13£11,935 GBP

Retailer 12£12,285 GBP

Retailer 5£15,076 GBP

Retailer 7£16,090 GBP

Retailer 8£20,633 GBP

Retailer 6£29,465 GBP

Mervis Diamond Importers£38,226 GBP

41 data points across 18 retailers

22 retailers£4,722 GBP to £38,226 GBP

A+

Cheapest Retailer

£4,722 GBP

$6,327 USD

Retailer 2

£4,911 GBP

$6,580 USD

View

Retailer 3

£5,288 GBP

$7,085 USD

View

Final sale: no returns

Retailer 4

£5,463 GBP

$7,320 USD

View

Retailer 5

£5,478 GBP

$7,340 USD

View

Retailer 6

£5,478 GBP

$7,340 USD

View

Price last confirmed 15 days ago

Retailer 7

£6,513 GBP

$8,727 USD

View

Retailer 8

£6,607 GBP

$8,852 USD

View

Retailer 9

£7,177 GBP

$9,617 USD

View

Retailer 10

£7,574 GBP

View

Retailer 11

£7,629 GBP

$10,222 USD

View

Price last confirmed 76 days ago

Retailer 12

£7,950 GBP

$10,652 USD

View

Retailer 13

£9,557 GBP

€12,195 EUR

View

Retailer 14

£11,710 GBP

$15,690 USD

View

Retailer 15

£11,935 GBP

View

Retailer 16

£12,285 GBP

ZAR 265,912 ZAR

View

B+

Retailer 17

£13,945 GBP

$18,685 USD

View

B+

Retailer 18

£15,076 GBP

$20,201 USD

View

B+

Retailer 19

£16,090 GBP

$21,559 USD

View

B+

Retailer 20

£20,633 GBP

$27,646 USD

View

Retailer 21

£29,465 GBP

$39,480 USD

View

Most Expensive

Mervis Diamond Importers

1974989990 · Oct 31

£38,226 GBP

$51,219 USD

View

21 more retailers have this diamond

Prices start from £4,722 GBPSave up to £33,504 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+

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