Emerald|Lab Grown|IGI

20.10ct F VVS2 Emerald Lab Grown Diamond

ID • F/VVS2 • IGI LG831627772

Shape and cutting style on the report: Emerald cut

Certificate IGI LG831627772

Diamond specifications and retailer prices

From £6,210 GBP
$8,321 USD
As of October 31, 2026
Save £13,222 GBP (68%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £19,432 GBP at Frank Darling · As of October 31, 2026
View at Frank Darling

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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG831627772 or 831627772. Listed at 3 retailers as of October 31, 2026, with prices from £6,210 to £19,432, a £13,222 spread on the same certified stone. Frank Darling lists it at £19,432. 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
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831627772
Dimensions18.73 × 13.09 × 7.93 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
18.73 mm13.09 mm20.10 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831627772
Side View
Table 69.0%Crown 32.5°Girdle: Slightly ThickPavilion 37.3°Culet: LargeDepth 60.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: £19,432 GBP|Low: £6,210 GBP|High: £19,432 GBP|Avg: £9,097 GBP
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 2£6,210 GBP
Retailer 5£6,451 GBP
Retailer 4£8,125 GBP
Retailer 3£11,676 GBP
Frank Darling£19,432 GBP

5 data points across 5 retailers

3 retailers£6,210 GBP to £19,432 GBP

B+
Cheapest Retailer
-
£6,210 GBP
$8,321 USD
B
Retailer 2
-
£11,676 GBP
€14,899 EUR
View
Most Expensive
B
Frank Darling
933783BD · Oct 31
£19,432 GBP
$26,037 USD
View
2 more retailers have this diamond
Prices start from £6,210 GBPSave up to £13,222 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
£6,210 GBP