Emerald|Lab Grown|IGI

4.66ct D FL Emerald Lab Grown Diamond

EX • D/FL • IGI LG780667818

Shape and cutting style on the report: Emerald cut

Certificate IGI LG780667818

Diamond specifications and retailer prices

From £4,911 GBP

$6,580 USD

As of November 2, 2026

Save £14,694 GBP (75%) vs most expensive(unlock to see where)

19 retailers carry this diamond

Most expensive: £19,605 GBP at Taylor and Hart · As of October 31, 2026

View at Taylor and Hart

About this 4.66ct lab-grown emerald diamond

This 4.66ct lab-grown emerald sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780667818 or 780667818. Listed at 19 retailers as of October 31, 2026, with prices from £4,911 to £19,605, a £14,694 spread on the same certified stone. Taylor and Hart lists it at £19,605. 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

4.66

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.6°

Pavilion angle39.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG780667818

Dimensions11.47 × 7.88 × 5.18 mm

L/W Ratio1.46

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG780667818

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: Nov 2

Current: £7,157 GBP|Low: £4,911 GBP|High: £21,580 GBP|Avg: £8,764 GBP|-27.6%

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

Taylor and Hart

November 2, 2026

Retailer 17£4,911 GBP

Retailer 15£5,108 GBP

Retailer 6£5,154 GBP

Retailer 7£5,500 GBP

Retailer 14£5,676 GBP

Retailer 5£5,697 GBP

Retailer 9£5,697 GBP

Retailer 18£6,551 GBP

Retailer 3£6,604 GBP

Retailer 16£6,660 GBP

Retailer 2£6,762 GBP

Retailer 1£7,157 GBP

Retailer 10£7,437 GBP

Retailer 8£8,132 GBP

Retailer 12£8,998 GBP

Retailer 13£9,515 GBP

Retailer 11£11,389 GBP

Retailer 4£15,855 GBP

Taylor and Hart£19,605 GBP

40 data points across 19 retailers

19 retailers£4,911 GBP to £19,605 GBP

Cheapest Retailer

£4,911 GBP

$6,580 USD

Retailer 2

£5,108 GBP

$6,844 USD

View

Retailer 3

£5,154 GBP

$6,906 USD

View

Retailer 4

£5,500 GBP

$7,370 USD

View

Final sale: no returns

Retailer 5

£5,676 GBP

$7,605 USD

View

Retailer 6

£5,697 GBP

$7,633 USD

View

Retailer 7

£5,697 GBP

$7,633 USD

View

Price last confirmed 17 days ago

Retailer 8

£6,551 GBP

$8,777 USD

View

B+

Retailer 9

£6,604 GBP

$8,848 USD

View

Retailer 10

£6,660 GBP

$8,923 USD

View

B+

Retailer 11

£6,762 GBP

$9,061 USD

View

B+

Retailer 12

£7,157 GBP

View

Retailer 13

£7,437 GBP

$9,965 USD

View

Price last confirmed 28 days ago

B+

Retailer 14

£8,132 GBP

View

B+

Retailer 15

£8,998 GBP

€11,482 EUR

View

B+

Retailer 16

£9,515 GBP

$12,749 USD

View

B+

Retailer 17

£11,389 GBP

View

Retailer 18

£15,855 GBP

$21,243 USD

View

Most Expensive

Taylor and Hart

M5W0TJQ · Oct 31

£19,605 GBP

$26,268 USD

View

18 more retailers have this diamond

Prices start from £4,911 GBPSave up to £14,694 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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