Emerald|Lab Grown|IGI

3.11ct E FL Emerald Lab Grown Diamond

ID • E/FL • IGI LG821638861

Shape and cutting style on the report: Emerald cut

Certificate IGI LG821638861

Diamond specifications and retailer prices

From £1,310 GBP

$1,755 USD

As of October 29, 2026

Save £6,012 GBP (82%) vs most expensive(unlock to see where)

12 retailers carry this diamond

Most expensive: £7,321 GBP at Brilliant Earth · As of October 30, 2026

View at Brilliant Earth

About this 3.11ct lab-grown emerald diamond

This 3.11ct lab-grown emerald sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG821638861 or 821638861. Listed at 12 retailers as of October 29, 2026, with prices from £1,310 to £7,321, a £6,012 spread on the same certified stone. Brilliant Earth lists it at £7,321. 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

3.11

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.5°

Pavilion angle38.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG821638861

Dimensions9.74 × 6.73 × 4.45 mm

L/W Ratio1.45

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 LG821638861

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29

Current: £7,321 GBP|Low: £1,310 GBP|High: £10,605 GBP|Avg: £4,751 GBP|-15.6%

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

October 30, 2026

Retailer 4£1,310 GBP

Retailer 9£1,898 GBP

Retailer 6£1,943 GBP

Retailer 8£2,235 GBP

Retailer 2£2,273 GBP

Retailer 5£3,887 GBP

Retailer 10£4,777 GBP

Retailer 11£6,080 GBP

Retailer 7£7,307 GBP

Brilliant Earth£7,321 GBP

Retailer 3£7,966 GBP

34 data points across 11 retailers

12 retailers£1,310 GBP to £7,321 GBP

Cheapest Retailer

£1,310 GBP

$1,755 USD

Retailer 2

£1,477 GBP

$1,979 USD

View

Price last confirmed 25 days ago

Retailer 3

£1,702 GBP

$2,280 USD

View

Price last confirmed 38 days ago

Retailer 4

£1,898 GBP

$2,543 USD

View

Retailer 5

£1,943 GBP

$2,604 USD

View

Retailer 6

£2,235 GBP

$2,994 USD

View

Retailer 7

£2,273 GBP

€2,901 EUR

View

Retailer 8

£2,708 GBP

$3,628 USD

View

Price last confirmed 26 days ago

B+

Retailer 9

£3,887 GBP

View

Retailer 10

£4,777 GBP

$6,400 USD

View

Price last confirmed 12 days ago

Retailer 11

£7,307 GBP

$9,790 USD

View

Most Expensive

Brilliant Earth

21581188Y · Oct 30

£7,321 GBP

$9,810 USD

View

11 more retailers have this diamond

Prices start from £1,310 GBPSave up to £6,012 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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