Emerald|Lab Grown|IGI

20.14ct F VS1 Emerald Lab Grown Diamond

ID • F/VS1 • IGI LG848689651

Shape and cutting style on the report: Emerald cut

Certificate IGI LG848689651

Diamond specifications and retailer prices

From £5,486 GBP
$7,350 USD
As of November 2, 2026
Save £15,873 GBP (74%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £28,487 GBP at Brilliant Earth · As of October 31, 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 LG848689651 or 848689651. Listed at 10 retailers as of October 31, 2026, with a 289% 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 angle30.6°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848689651
Dimensions19.41 × 12.41 × 8.33 mm
L/W Ratio1.56
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
19.41 mm12.41 mm20.14 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848689651
Side View
Table 63.0%Crown 30.6°Girdle: MediumPavilion 41.4°Culet: LargeDepth 67.1%

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 2
Current: £28,487 GBP|Low: £6,301 GBP|High: £28,487 GBP|Avg: £13,925 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 9£6,301 GBP
Retailer 7£6,325 GBP
Retailer 4£7,194 GBP
Retailer 2£7,835 GBP
Retailer 5£10,577 GBP
Retailer 3£12,127 GBP
Retailer 6£19,802 GBP
Retailer 8£21,358 GBP
Brilliant Earth£28,487 GBP

8 data points across 9 retailers

10 retailers£5,486 GBP to £21,358 GBP

B+
Cheapest Retailer
-
£5,486 GBP
$7,350 USD
B+
Retailer 2
-
£6,301 GBP
$8,442 USD
View
B+
Retailer 3
-
£6,325 GBP
$8,475 USD
View
B
Retailer 4
-
£7,194 GBP
$9,639 USD
View
B+
Retailer 5
-
£7,835 GBP
View
B
Retailer 6
-
£10,577 GBP
€13,497 EUR
View
B
Retailer 7
-
£12,127 GBP
A$24,998 AUD
View
B
Retailer 8
-
£19,802 GBP
$26,533 USD
View
B
Retailer 9
-
£21,358 GBP
$28,618 USD
View
Most Expensive
Brilliant Earth
22318631A · Oct 31
£28,487 GBP
$38,170 USD
View
Price under review
9 more retailers have this diamond
Prices start from £5,486 GBPSave up to £15,873 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
£5,486 GBP