Emerald|Lab Grown|IGI

20.05ct F VS1 Emerald Lab Grown Diamond

ID • F/VS1 • IGI LG807651881

Shape and cutting style on the report: Emerald cut

Certificate IGI LG807651881

Diamond specifications and retailer prices

From £4,176 GBP

$5,604 USD

As of November 2, 2026

Save £14,983 GBP (78%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: £19,159 GBP at Adiamor · As of November 2, 2026

View at Adiamor

About this 20.05ct lab-grown emerald diamond

This 20.05ct lab-grown emerald sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG807651881 or 807651881. Listed at 14 retailers as of November 2, 2026, with prices from £4,176 to £19,159, a £14,983 spread on the same certified stone. Adiamor lists it at £19,159. 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

20.05

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.2°

Pavilion angle39.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG807651881

Dimensions18.53 × 12.94 × 8.24 mm

L/W Ratio1.43

Culet sizeLarge

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG807651881

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: £19,159 GBP|Low: £4,176 GBP|High: £19,388 GBP|Avg: £8,227 GBP|-1.2%

Adiamor

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

November 2, 2026

Retailer 9£4,176 GBP

Retailer 5£4,377 GBP

Retailer 12£4,844 GBP

Retailer 8£4,847 GBP

Retailer 14£4,900 GBP

Retailer 6£5,126 GBP

Retailer 13£5,751 GBP

Retailer 3£5,799 GBP

Retailer 11£5,966 GBP

Retailer 2£6,221 GBP

Retailer 10£7,479 GBP

Retailer 7£9,239 GBP

Retailer 4£17,093 GBP

Adiamor£19,159 GBP

43 data points across 14 retailers

14 retailers£4,176 GBP to £19,159 GBP

Cheapest Retailer

£4,176 GBP

$5,604 USD

Retailer 2

£4,377 GBP

$5,873 USD

View

B+

Retailer 3

£4,844 GBP

$6,501 USD

View

B+

Retailer 4

£4,847 GBP

$6,505 USD

View

B+

Retailer 5

£4,900 GBP

$6,576 USD

View

Retailer 6

£5,126 GBP

$6,879 USD

View

Price last confirmed 21 days ago

B+

Retailer 7

£5,751 GBP

$7,717 USD

View

B+

Retailer 8

£5,799 GBP

HK$60,800 HKD

View

B+

Retailer 9

£5,966 GBP

$8,006 USD

View

B+

Retailer 10

£6,221 GBP

View

B+

Retailer 11

£7,479 GBP

$10,037 USD

View

Retailer 12

£9,239 GBP

A$19,074 AUD

View

Retailer 13

£17,093 GBP

$22,938 USD

View

Most Expensive

Adiamor

D-80343537 · Nov 2

£19,159 GBP

$25,710 USD

View

13 more retailers have this diamond

Prices start from £4,176 GBPSave up to £14,983 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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