Emerald|Lab Grown|IGI

20.10ct F VS2 Emerald Lab Grown Diamond

ID • F/VS2 • IGI LG790604140

Shape and cutting style on the report: Emerald cut

Certificate IGI LG790604140

Diamond specifications and retailer prices

From £4,812 GBP
$6,447 USD
As of October 31, 2026
Save £1,629 GBP (25%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £24,375 GBP at Brilliant Earth · As of October 10, 2026
View at Brilliant Earth

About this 20.1ct lab-grown emerald diamond

This 20.1ct lab-grown emerald sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG790604140 or 790604140. Listed at 10 retailers as of October 29, 2026, with a 34% 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

20.10
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790604140
Dimensions18.68 × 13.02 × 8.06 mm
L/W Ratio1.43
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.68 mm13.02 mm20.10 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790604140
Side View
Table 64.0%Crown 34.9°Girdle: MediumPavilion 35.2°Culet: LargeDepth 61.9%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £24,375 GBP|Low: £3,868 GBP|High: £25,129 GBP|Avg: £7,937 GBP|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 2£4,812 GBP
Retailer 9£5,131 GBP
Retailer 3£5,168 GBP
Retailer 8£5,304 GBP
Retailer 10£5,426 GBP
Retailer 5£5,568 GBP
Retailer 4£6,441 GBP
Retailer 6£6,601 GBP
Retailer 7£6,790 GBP
Brilliant Earth£24,375 GBP

33 data points across 10 retailers

10 retailers£4,812 GBP to £6,441 GBP

Retailer 1
-
£4,398 GBP
$5,893 USD
Price last confirmed 27 days ago
B+
Retailer 2
-
£4,812 GBP
$6,447 USD
View
Retailer 3
-
£5,030 GBP
$6,740 USD
View
Price last confirmed 37 days ago
B+
Retailer 4
-
£5,168 GBP
HK$54,100 HKD
View
Retailer 5
-
£5,315 GBP
$7,121 USD
View
Price last confirmed 29 days ago
Retailer 6
-
£5,568 GBP
$7,460 USD
View
Price last confirmed 10 days ago
Retailer 7
-
£6,309 GBP
$8,453 USD
View
Price last confirmed 27 days ago
B+
Retailer 8
-
£6,441 GBP
€8,219 EUR
View
Retailer 9
-
£24,375 GBP
$32,660 USD
View
Price under review
Most Expensive
Brilliant Earth
18808622A · Oct 10
£24,375 GBP
$32,660 USD
View
Price under review
9 more retailers have this diamond
Prices start from £4,812 GBPSave up to £1,629 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+
20.10ct Emerald
£4,812 GBP