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Emerald|Lab Grown|IGI

20.04ct F VS2 Emerald Lab Grown Diamond

ID • F/VS2 • IGI LG821636885

Shape and cutting style on the report: Emerald cut

Certificate IGI LG821636885

Diamond specifications and retailer prices

From £3,627 GBP
$4,860 USD
As of October 31, 2026
Save £15,068 GBP (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £18,696 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 20.04ct lab-grown emerald diamond

This 20.04ct 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 LG821636885 or 821636885. Listed at 10 retailers as of October 31, 2026, with prices from £3,627 to £18,696, a £15,068 spread on the same certified stone. Brilliant Earth lists it at £18,696. 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

20.04
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.1°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821636885
Dimensions18.39 × 12.39 × 8.35 mm
L/W Ratio1.48
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.39 mm12.39 mm20.04 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821636885
Side View
Table 57.0%Crown 30.1°Girdle: ThickPavilion 37.8°Culet: LargeDepth 67.4%

Caratlytics Score

How it works →
A
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: Oct 31
Current: £18,696 GBP|Low: £3,627 GBP|High: £25,054 GBP|Avg: £9,649 GBP|-25.4%
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£3,627 GBP
Retailer 3£4,370 GBP
Retailer 5£4,691 GBP
Retailer 7£5,273 GBP
Retailer 10£5,441 GBP
Retailer 4£5,874 GBP
Retailer 6£5,893 GBP
Retailer 9£12,901 GBP
Retailer 8£17,965 GBP
Brilliant Earth£18,696 GBP

20 data points across 10 retailers

10 retailers£3,627 GBP to £18,696 GBP

A
Cheapest Retailer
-
£3,627 GBP
$4,860 USD
B+
Retailer 2
-
£4,370 GBP
$5,855 USD
View
B+
Retailer 3
-
£4,691 GBP
View
B+
Retailer 4
-
£5,273 GBP
$7,065 USD
View
Retailer 5
-
£5,441 GBP
$7,290 USD
View
Price last confirmed 10 days ago
B+
Retailer 6
-
£5,874 GBP
$7,870 USD
View
Final sale: no returns
B+
Retailer 7
-
£5,893 GBP
€7,520 EUR
View
B
Retailer 8
-
£12,901 GBP
$17,286 USD
View
B
Retailer 9
-
£17,965 GBP
$24,071 USD
View
Most Expensive
B
Brilliant Earth
21056044A · Oct 31
£18,696 GBP
$25,050 USD
View
9 more retailers have this diamond
Prices start from £3,627 GBPSave up to £15,068 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.

A
20.04ct Emerald
£3,627 GBP