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Emerald|Lab Grown|IGI

20.14ct F VS1 Emerald Lab Grown Diamond

ID • F/VS1 • IGI LG821616416

Shape and cutting style on the report: Emerald cut

Certificate IGI LG821616416

Diamond specifications and retailer prices

From £7,041 GBP
$9,448 USD
As of November 1, 2026
Save £11,738 GBP (63%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £28,966 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 20.14ct lab-grown emerald diamond

This 20.14ct 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 LG821616416 or 821616416. Listed at 5 retailers as of November 1, 2026, with a 167% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

20.14
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.6°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821616416
Dimensions18.12 × 13.04 × 8.17 mm
L/W Ratio1.39
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.12 mm13.04 mm20.14 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821616416
Side View
Table 65.0%Crown 38.6°Girdle: Slightly ThickPavilion 38°Culet: LargeDepth 62.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £28,966 GBP|Low: £6,549 GBP|High: £29,159 GBP|Avg: £16,308 GBP|-0.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 8£6,549 GBP
Retailer 2£7,041 GBP
Retailer 4£11,277 GBP
Retailer 5£18,490 GBP
Retailer 3£18,778 GBP
Retailer 6£19,613 GBP
Retailer 7£19,934 GBP
Brilliant Earth£28,966 GBP

26 data points across 8 retailers

5 retailers£7,041 GBP to £18,778 GBP

B+
Cheapest Retailer
-
£7,041 GBP
$9,448 USD
B
Retailer 2
-
£11,277 GBP
€14,413 EUR
View
B
Retailer 3
-
£18,490 GBP
$24,812 USD
View
B
Retailer 4
-
£18,778 GBP
$25,200 USD
View
Most Expensive
Brilliant Earth
21676705A · Nov 2
£28,966 GBP
$38,870 USD
View
Price under review
4 more retailers have this diamond
Prices start from £7,041 GBPSave up to £11,738 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.

B+
20.14ct Emerald
£7,041 GBP