Emerald|Lab Grown|IGI

5.09ct E FL Emerald Lab Grown Diamond

ID • E/FL • IGI LG780662939

Shape and cutting style on the report: Emerald cut

Certificate IGI LG780662939

Diamond specifications and retailer prices

From £7,951 GBP

$10,653 USD

As of October 26, 2026

Save £22,906 GBP (74%) vs most expensive(unlock to see where)

12 retailers carry this diamond

Most expensive: £30,856 GBP at With Clarity · As of October 31, 2026

View at With Clarity

About this 5.09ct lab-grown emerald diamond

This 5.09ct lab-grown emerald sits in the over five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780662939 or 780662939. Listed at 12 retailers as of October 26, 2026, with prices from £7,951 to £30,856, a £22,906 spread on the same certified stone. With Clarity lists it at £30,856. 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

5.09

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle30°

Pavilion angle39.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG780662939

Dimensions11.98 × 8.11 × 5.23 mm

L/W Ratio1.48

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 LG780662939

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 26

Current: £12,225 GBP|Low: £6,837 GBP|High: £39,916 GBP|Avg: £16,265 GBP|-22.4%

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

With Clarity

October 30, 2026

Retailer 5£6,837 GBP

Retailer 11£7,951 GBP

Retailer 10£8,010 GBP

Retailer 8£8,243 GBP

Retailer 12£8,273 GBP

Retailer 4£8,623 GBP

Retailer 14£12,208 GBP

Retailer 1£12,225 GBP

Retailer 7£12,744 GBP

Retailer 13£15,471 GBP

Retailer 3£18,189 GBP

Retailer 2£20,204 GBP

Retailer 9£20,894 GBP

Retailer 6£29,251 GBP

With Clarity£30,856 GBP

24 data points across 15 retailers

12 retailers£7,951 GBP to £30,856 GBP

Cheapest Retailer

£7,951 GBP

$10,653 USD

Retailer 2

£8,010 GBP

$10,733 USD

View

Retailer 3

£8,243 GBP

$11,045 USD

View

Retailer 4

£8,273 GBP

HK$86,600 HKD

View

B+

Retailer 5

£12,225 GBP

$16,380 USD

View

B+

Retailer 6

£12,744 GBP

€16,263 EUR

View

Retailer 7

£15,471 GBP

View

Price last confirmed 23 days ago

Retailer 8

£18,189 GBP

$24,371 USD

View

Price last confirmed 26 days ago

Retailer 9

£20,204 GBP

ZAR 437,332 ZAR

View

Price last confirmed 25 days ago

Retailer 10

£20,894 GBP

$27,995 USD

View

Retailer 11

£29,251 GBP

$39,193 USD

View

Price last confirmed 27 days ago

Most Expensive

With Clarity

780662939 · Oct 31

£30,856 GBP

$41,344 USD

View

11 more retailers have this diamond

Prices start from £7,951 GBPSave up to £22,906 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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